document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114651>Question 114651</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for y then graph.<BR>\n" );
document.write( "2x-3y=12 <BR>\n" );
document.write( "(2x-3y)+(-2x)=12+(-2x)<BR>\n" );
document.write( "2x-3y-2x=-2x+12<BR>\n" );
document.write( "2x-2x-3y=-2x+12<BR>\n" );
document.write( "-3y=-2x+12<BR>\n" );
document.write( "-3y=-2x+12<BR>\n" );
document.write( "My question is this: Am I correct on this equation so far and I am not sure how to graph this I have been working on this all afternoon.<BR>\n" );
document.write( "Thank you for your help,<BR>\n" );
document.write( "Barb Neely </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83421 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=83421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are correct so far\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3y=-2x%2B12 ALIGN=MIDDLE  ALT=\"-3y=-2x%2B12\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%28-3%2F-3%29y=%28-2x%2B12%29%2F-3 ALIGN=MIDDLE  ALT=\"cross%28-3%2F-3%29y=%28-2x%2B12%29%2F-3\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by -3\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28-2x%2B12%29%2F-3 ALIGN=MIDDLE  ALT=\"y=%28-2x%2B12%29%2F-3\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28-2%2F-3%29x%2B12%2F-3 ALIGN=MIDDLE  ALT=\"y=%28-2%2F-3%29x%2B12%2F-3\"   DISABLED_style= \"max-width:90%; height:auto;\" >Break up the fraction\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29x-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Reduce\r<BR>\n" );
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document.write( " <TR><TD  ALIGN=MIDDLE>Solved by <A  rel=nofollow HREF=http://wiki.algebra.com/index.php/Tutoring_-_pluggable_solvers>pluggable</A> solver: <A  rel=nofollow HREF=graphing_linear_equations.solver>Graphing Linear Equations</A></TD></TR>\n" );
document.write( "<TR><TD  ALIGN=LEFT>In order to graph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29%2Ax-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29%2Ax-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > we only need to plug in two points to draw the line<BR>\n" );
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document.write( "  So lets plug in some points<BR>\n" );
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document.write( "  Plug in x=-6<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29%2A%28-6%29-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29%2A%28-6%29-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-12%2F3-4 ALIGN=MIDDLE  ALT=\"y=-12%2F3-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-24%2F3 ALIGN=MIDDLE  ALT=\"y=-24%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-8 ALIGN=MIDDLE  ALT=\"y=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" > Reduce<BR>\n" );
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document.write( "  So here's one point (-6,-8)<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-16%2C7%2C+-18%2C+4%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++blue%28+circle%28+-6%2C-8%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-6%2C-8%2C+.1%2C+1.5+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now lets find another point <BR>\n" );
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document.write( "  Plug in x=-3<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29%2A%28-3%29-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29%2A%28-3%29-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-6%2F3-4 ALIGN=MIDDLE  ALT=\"y=-6%2F3-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-18%2F3 ALIGN=MIDDLE  ALT=\"y=-18%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-6 ALIGN=MIDDLE  ALT=\"y=-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Reduce<BR>\n" );
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document.write( "  So here's another point (-3,-6). Add this to our graph<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-16%2C7%2C+-18%2C+4%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++blue%28+circle%28+-3%2C-6%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-3%2C-6%2C+.1%2C+1.5+%29+%29%2C%0D%0A++++blue%28+circle%28+-6%2C-8%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-6%2C-8%2C+.1%2C+1.5+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now draw a line through these points<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-16%2C7%2C+-18%2C+4%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++line%28-16-10%2C0.666666666666667%2A%28-16-10%29%2B-4%2C7%2B10%2C0.666666666666667%2A%287%2B10%29%2B-4%29%2C%0D%0A++++blue%28+circle%28+-3%2C-6%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-3%2C-6%2C+.1%2C+1.5+%29+%29%2C%0D%0A++++blue%28+circle%28+-6%2C-8%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-6%2C-8%2C+.1%2C+1.5+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > So this is the graph of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29%2Ax-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29%2Ax-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > through the points (-6,-8) and (-3,-6)<BR>\n" );
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document.write( "  So from the graph we can see that the slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > (which tells us that in order to go from point to point we have to start at one point and go  up 2 units and to the right 3 units to get to the next point) the y-intercept is (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4 ALIGN=MIDDLE  ALT=\"-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >)and the x-intercept is (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6 ALIGN=MIDDLE  ALT=\"6\"   DISABLED_style= \"max-width:90%; height:auto;\" >,0) <BR>\n" );
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document.write( "  We could graph this equation another way. Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=-4 ALIGN=MIDDLE  ALT=\"b=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > this tells us that the y-intercept (the point where the graph intersects with the y-axis) is (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4 ALIGN=MIDDLE  ALT=\"-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >). <BR>\n" );
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document.write( "  So we have one point (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4 ALIGN=MIDDLE  ALT=\"-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-10%2C13%2C+-14%2C+8%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333-0.05%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now since the slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, this means that in order to go from point to point we can use the slope to do so. So starting at (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4 ALIGN=MIDDLE  ALT=\"-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >), we can go up 2 units <BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28++600%2C+600%2C+-10%2C13%2C+-14%2C+8%2C%0D%0A++++grid%281%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333-0.05%29+%29%0D%0A++blue%28+arc%28+0%2C+-4%2B%282%2F2%29%2C+2%2C+2%2C+90%2C+270+%29+%29%0D%0A++%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  and to the right 3 units to get to our next point<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28++600%2C+600%2C+-10%2C13%2C+-14%2C+8%2C%0D%0A++++grid%281%29%2C%0D%0A++++blue%28+circle%28+3%2C-2%2C+0.153333333333333%29%29%2C%0D%0A++++blue%28+circle%28+3%2C-2%2C+0.153333333333333-0.05+%29+%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333-0.05%29+%29%2C%0D%0A++blue%28+arc%28+0%2C+-4%2B%282%2F2%29%2C+2%2C+2%2C+90%2C+270+%29+%29%2C%0D%0A++blue%28+arc%28+%283%2F2%29%2C+-2%2C+3%2C+2%2C+180%2C+360+%29+%29%0D%0A++%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  Now draw a line through those points to graph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29%2Ax-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29%2Ax-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-10%2C13%2C+-14%2C+8%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++line%28-10-10%2C0.666666666666667%2A%28-10-10%29%2B-4%2C13%2B10%2C0.666666666666667%2A%2813%2B10%29%2B-4%29%2C%0D%0A++++blue%28+circle%28+3%2C-2%2C+0.153333333333333%29%29%2C%0D%0A++++blue%28+circle%28+3%2C-2%2C+0.153333333333333-0.05+%29+%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-4%2C+0.153333333333333-0.05%29+%29%2C%0D%0A++blue%28+arc%28+0%2C+-4%2B%282%2F2%29%2C+2%2C+2%2C+90%2C+270+%29+%29%2C%0D%0A++blue%28+arc%28+%283%2F2%29%2C+-2%2C+3%2C+2%2C+180%2C+360+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > So this is the graph of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282%2F3%29%2Ax-4 ALIGN=MIDDLE  ALT=\"y=%282%2F3%29%2Ax-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > through the points (0,-4) and (3,-2)<BR>\n" );
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