document.write( "Question 314758: Hello I was wondering if someone could help me with this problem. Use substitution method. Thank you
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document.write( "9x-2y=3
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document.write( "9x-6=y\r
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document.write( "The work I have done is this 9x-2y=3
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document.write( "3x-6=y
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document.write( "y=6+3x
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document.write( "9x-2(6+3x)=3
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document.write( "9x+12+6x=3
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document.write( "15x=3-12
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document.write( "15x=--9 <----- I know this isn't right, but I'm not sure how to make it right?? \n" );
document.write( "
Algebra.Com's Answer #225114 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 9x-2y=3 \n" ); document.write( "9x-6=y \n" ); document.write( ".. \n" ); document.write( "plug the value of in the first equation \n" ); document.write( ".. \n" ); document.write( "9x-2(9x-6)=3 \n" ); document.write( "9x-18x+12=3 \n" ); document.write( "-9x= -12+3 \n" ); document.write( "-9x=-9 \n" ); document.write( "x=1 \n" ); document.write( "plug the value of x in first equation \n" ); document.write( "9-2y=3 \n" ); document.write( "-2y=-9+3 \n" ); document.write( "-2y=-6 \n" ); document.write( "y=3 \n" ); document.write( ".. \n" ); document.write( "CHECK \n" ); document.write( "9x-2y=3 \n" ); document.write( "9-6 =3 \n" ); document.write( " |