document.write( "Question 100152: i'm having sooo much trouble with this question, i practiced it at least 3 times and i still get it wrong.\r
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document.write( "Simplify and solve.\r
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document.write( "3(x+1)-4(y-1)=13
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document.write( "5(x+2)+2(y+3)=0 \n" );
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Algebra.Com's Answer #72937 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 3(X+1)-4(Y-1)=13 3X-3-4Y+4=13 3X-4Y=13-4 3X-4Y=9 \n" ); document.write( "5(X+2)+2(Y+3)=0 5X+10+2Y+6=0 5X+2Y=-16 NOW MULTIPLY THIS EQUATION BY 2 & ADD: \n" ); document.write( "10X+4Y=-32 \n" ); document.write( "3X-4Y=9 \n" ); document.write( "---------------------------- \n" ); document.write( "13X=-23 \n" ); document.write( "X=-23/13 ANSWER. \n" ); document.write( "5(-23/13+2)+2(Y+3=0 \n" ); document.write( "5(-23/12+24/12)+2Y+6=0 \n" ); document.write( "5(1/12)+2Y+6=0 \n" ); document.write( "5/12+2Y+6=0 \n" ); document.write( "2Y=-6-5/12 \n" ); document.write( "2Y=(-72-5)/12 \n" ); document.write( "2Y=-77/12 \n" ); document.write( "Y=-77/12*1/2 \n" ); document.write( "Y=-77/24 ANSWER. \n" ); document.write( " |