document.write( "Question 110980:
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document.write( "2x+3y=8
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document.write( "-x+y=-4
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document.write( "Please help me with linear system \n" );
document.write( "
Algebra.Com's Answer #81038 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! -X+Y=-4 OR Y=X-4 NOW SUBSTITUTE (X-4) FOR Y IN THE OTHER EQUATION & SOLVE FOR X \n" ); document.write( "2X+3(X-4)=8 \n" ); document.write( "2X+3X-12=8 \n" ); document.write( "5X=8+12 \n" ); document.write( "5X=20 \n" ); document.write( "X=20/5 \n" ); document.write( "X=4 ANSWER. \n" ); document.write( "-4+Y=-4 \n" ); document.write( "Y=-4+4 \n" ); document.write( "Y=0 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "2*4+3*0=8 \n" ); document.write( "8=8 \n" ); document.write( " \n" ); document.write( " |