document.write( "Question 117529This question is from textbook Algebra 1
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document.write( ": Please help me with this problem. Thank you!\r
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document.write( "3x-y=4
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document.write( "3x+2y=-17 \n" );
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Algebra.Com's Answer #85498 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 3X-Y=4 NOW MULTIPLY THE SECOND EQUATION BY -1 & ADD \n" ); document.write( "-3X-2Y=17 \n" ); document.write( "-------------------------- \n" ); document.write( "-3X=21 \n" ); document.write( "X=21/-3 \n" ); document.write( "X=-7 ANSWER. \n" ); document.write( "3(-7)-2Y=17 \n" ); document.write( "-21-2Y=17 \n" ); document.write( "-2Y=17+21 \n" ); document.write( "-2Y=38 \n" ); document.write( "Y=38/-2 \n" ); document.write( "Y=-19 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "3*-7-2*-19=17 \n" ); document.write( "-21+38=17 \n" ); document.write( "17=17 \n" ); document.write( " |