document.write( "Question 101138: Solve by substitiution
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document.write( "4x+6y=8
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document.write( "y=4x-22 \n" );
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Algebra.Com's Answer #73618 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! Y=4X-22 \n" ); document.write( "4X+6(4X-22)=8 \n" ); document.write( "4X+24X-132=8 \n" ); document.write( "28X=8+132 \n" ); document.write( "28X=140 \n" ); document.write( "X=140/28 \n" ); document.write( "X=5 ANSWER \n" ); document.write( "Y=4*5-22 \n" ); document.write( "Y=20-22 \n" ); document.write( "Y=-2 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "4*5+6*-2=8 \n" ); document.write( "20-12=8 \n" ); document.write( "8=8 \n" ); document.write( " |