document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66298>Question 66298</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. 2x=y-1           <BR>\n" );
document.write( "   y=3x\r<BR>\n" );
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document.write( "2. x=-y<BR>\n" );
document.write( "   2x+y=-2\r<BR>\n" );
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document.write( "3. 2x+2y=4<BR>\n" );
document.write( "   x=10-3y\r<BR>\n" );
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document.write( "4. y=7-x<BR>\n" );
document.write( "   2x+3y=-1\r<BR>\n" );
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document.write( "                   <BR>\n" );
document.write( "Solve by substitution. Check your answers. <BR>\n" );
document.write( "I am new to Algebra 1 having trouble solving these problems. <BR>\n" );
document.write( "Can you help!!!! Thanks<BR>\n" );
document.write( "ISBN: 0-03-070039-6 pg 756 1-4 plus #6 ch 7.2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47023 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=47023\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SINCE Y=3X THEN WE SUBSTITUTE (3X) FOR Y IN THE OTHER EQUATION THUS<BR>\n" );
document.write( "2X=3X-1<BR>\n" );
document.write( "2X-3X=-1<BR>\n" );
document.write( "-X=-1<BR>\n" );
document.write( "X=1 SOLUTION.<BR>\n" );
document.write( "NOW SUBSTITUTE 1 FOR X IN EITHER EQUATION & SOLVE FOR Y.<BR>\n" );
document.write( "Y=3*1<BR>\n" );
document.write( "Y=3 SOLUTION<BR>\n" );
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document.write( "X=-Y  NOW SUBSTITUTE (-Y) FOR X IN THE OTHER EQUATION & SOLVE.<BR>\n" );
document.write( "2(-Y)+Y=-2<BR>\n" );
document.write( "-2Y+Y=-2<BR>\n" );
document.write( "-Y=-2<BR>\n" );
document.write( "Y=2 SOLUTION<BR>\n" );
document.write( "X=-(-2)<BR>\n" );
document.write( "X=2 SOLUTION<BR>\n" );
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document.write( "X=10-3Y SUBSTITUTE (10-3Y) FOR X IN THE OTHER EQUATION.<BR>\n" );
document.write( "2(10-3Y)+2Y=4<BR>\n" );
document.write( "20-6Y+2Y=4<BR>\n" );
document.write( "-2Y=4-20<BR>\n" );
document.write( "-2Y=-16<BR>\n" );
document.write( "Y=-16/-2<BR>\n" );
document.write( "X=8 SOLUTION<BR>\n" );
document.write( "8=10-3Y<BR>\n" );
document.write( "8-10=-3Y<BR>\n" );
document.write( "-3Y=--2<BR>\n" );
document.write( "Y=-2/-3<BR>\n" );
document.write( "Y=2/3 SOLUTION<BR>\n" );
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document.write( "Y=7-X<BR>\n" );
document.write( "2X+3(7-X)=-1<BR>\n" );
document.write( "2X+21-3X=-1<BR>\n" );
document.write( "-X=-1-21<BR>\n" );
document.write( "-X=-22<BR>\n" );
document.write( "X=22 SOLUTION<BR>\n" );
document.write( "Y=7-22<BR>\n" );
document.write( "Y=-15 SOLUTION<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );