document.write( "Question 322393: Graph y=3/2 + 1
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\n" ); document.write( "Find slope & y-intercept of each line
\n" ); document.write( "12x-6y=9
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\n" ); document.write( "Solve using substitution method
\n" ); document.write( "2x+y=6
\n" ); document.write( "x-y=3
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Algebra.Com's Answer #230933 by QH(50)\"\" \"About 
You can put this solution on YOUR website!
1. Graph y=3/2 + 1\r
\n" ); document.write( "\n" ); document.write( "I'm assuming that this is \"y=%283%2F2%29x%2B1%7D%7D%0D%0AY+int=+1%0D%0ASlope=%7B%7B%7B3%2F2\"
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-5%2C+5%2C+-5%2C+5%2C+y=%283%2F2%29x%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "2. Find slope & y-intercept of each line \r
\n" ); document.write( "\n" ); document.write( "12x-6y=9\r
\n" ); document.write( "\n" ); document.write( "First put into y=mx+b format
\n" ); document.write( "\"-6y=-12x%2B9\"
\n" ); document.write( "\"%28-6y%29%2F-6=%28-12%2F-6%29x%2B9%2F-6\"
\n" ); document.write( "\"y=2x-3%2F2\"\r
\n" ); document.write( "\n" ); document.write( "Slope= \"2%2F1\"
\n" ); document.write( "Y int= \"-3%2F2\"\r
\n" ); document.write( "\n" ); document.write( "3. Solve using substitution method
\n" ); document.write( "2x+y=6
\n" ); document.write( "x-y=3\r
\n" ); document.write( "\n" ); document.write( "Solve for x in 2nd equation
\n" ); document.write( "\"x=3%2By\"\r
\n" ); document.write( "\n" ); document.write( "Substitute (3+y) for X in 1st equation
\n" ); document.write( "\"2%283%2By%29%2By=6\"
\n" ); document.write( "\"6%2B2y%2By=6\"
\n" ); document.write( "\"6%2B3y=6\"
\n" ); document.write( "\"3y=12\"
\n" ); document.write( "\"y=4\"\r
\n" ); document.write( "\n" ); document.write( "Substitute 4 for Y in 2nd equation
\n" ); document.write( "\"x-%284%29=3\"
\n" ); document.write( "\"x=7\"\r
\n" ); document.write( "\n" ); document.write( "(7,4)\r
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