document.write( "Question 499430: Solve the system of equations using addition to eliminate one variable.
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document.write( "3x-2y=14
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document.write( "3x+5y= -14
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document.write( "I do not know how to do this. I worked it out like the book showed but nothing comes out with my check. Please help me on this. \n" );
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Algebra.Com's Answer #337670 by chessace(471)![]() ![]() You can put this solution on YOUR website! Subtract the first from the 2nd: \n" ); document.write( "7y = -28 \n" ); document.write( "y = -4 \n" ); document.write( "3x - 2*(-4) = 14 \n" ); document.write( "x = (14-8)/3 \n" ); document.write( "x = 2\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |