document.write( "Question 64740This question is from textbook Algebra 1
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document.write( ": x=2y-7
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document.write( "y-3x=-9 \r
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document.write( "2x+5y=12
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document.write( "x-6y=-11 \r
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document.write( "x+y=6
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document.write( "3x-3y=13\r
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Algebra.Com's Answer #46136 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X=2Y-7 NOW SUBSTITUTE (2Y-7) FOR X IN THE OTHER EQUATION WE GET \n" ); document.write( "Y-3(2Y-7)=-9 NOW SOLVE FOR Y \n" ); document.write( "Y-6Y+21=-9 \n" ); document.write( "Y-6Y=-9-21 \n" ); document.write( "-5Y=-30 \n" ); document.write( "Y=-30/-5 \n" ); document.write( "Y=6 SOLUTION NOW SUBSTITUTE 6 FOR Y IN EITHER EQUATION & SOLVE FOR X \n" ); document.write( "X=2*6-7 \n" ); document.write( "X=12-7 \n" ); document.write( "X=5 \n" ); document.write( "SOLUTION \n" ); document.write( "------------------------------------------------------ \n" ); document.write( "X-6Y=-11 \n" ); document.write( "X=6Y-11 \n" ); document.write( "2(6Y-11)+5Y=12 \n" ); document.write( "12Y-22+5Y=12 \n" ); document.write( "17Y=12+22 \n" ); document.write( "17Y=34 \n" ); document.write( "Y=34/17 \n" ); document.write( "Y=2 SOLUTION NOW SUBSTITUTE 2 FOR Y & SOLVE FOR X \n" ); document.write( "X-6*2=-11 \n" ); document.write( "X-12=-11 \n" ); document.write( "X=-11+12 \n" ); document.write( "X=1 SOLUTION \n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "X+Y=6 \n" ); document.write( "X=6-Y SUBSTITUTE (6-Y) FOR X & SOLVE FOR Y \n" ); document.write( "3(6-Y)-3Y=13 \n" ); document.write( "18-3Y-3Y=13 \n" ); document.write( "-6Y=13-18 \n" ); document.write( "-6Y=-5 \n" ); document.write( "Y=5/6 SOLUTION NOW SOBSTITUTE (5/6) FOR Y & SOLVE FOR X \n" ); document.write( "X+(5/6)=6 \n" ); document.write( "X=+5/6=6 \n" ); document.write( "X=6-5/6 \n" ); document.write( "X=5 1/6 \n" ); document.write( "X=31/6 SOLUTION \n" ); document.write( "------------------------------------------------- \n" ); document.write( "MERRY CHRISTMAS \n" ); document.write( " |