document.write( "Question 370447: solve by the addition method
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document.write( "Please help!
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document.write( "5x-2y=-1
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document.write( "7y=24-3x\r
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Algebra.Com's Answer #264085 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 5x-2y=-1 multiply by 7 \n" ); document.write( "7y=24-3x multiply by 2 & add. \n" ); document.write( "35x-14y=-7 \n" ); document.write( "6x+14y=48 \n" ); document.write( "---------------- \n" ); document.write( "41x=41 \n" ); document.write( "x=41/41=1 ans. for x. \n" ); document.write( "5*1-2y=-1 \n" ); document.write( "5-2y=-1 \n" ); document.write( "-2y=-1-5 \n" ); document.write( "-2y=-6 \n" ); document.write( "y=-6/-2=3 ans. for y. \n" ); document.write( "Proof: \n" ); document.write( "7*3=24-3*1 \n" ); document.write( "21=24-3 \n" ); document.write( "21=21\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |