document.write( "Question 320219: Solve by substitution method\r
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document.write( "7x+8y=36
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document.write( "X=60-8y\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #229333 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 7(60-8y)+8y=36 \n" ); document.write( "420-56y+8y=36 \n" ); document.write( "-48y=-384 \n" ); document.write( "y=+8 \n" ); document.write( "------------------ \n" ); document.write( "7x+8*8=36 \n" ); document.write( "7x=-28 \n" ); document.write( "x=-4 \n" ); document.write( "-------------- \n" ); document.write( "-4=60-8*8 \n" ); document.write( " |