document.write( "Question 932532: Solve by the substitution method.\r
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document.write( " x - 7y = 28
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document.write( "-6x - 6y = 24 \n" );
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Algebra.Com's Answer #566252 by jack.wang5(5)![]() ![]() ![]() You can put this solution on YOUR website! x - 28 = 7y , so y = x/7 - 4.\r \n" ); document.write( "\n" ); document.write( "- 6x - 6y = 24 , so -6( x + y )=24, x + y = -4 = x + (x/7-4)=-4, x = 0.\r \n" ); document.write( "\n" ); document.write( "y = -4. \n" ); document.write( " |