document.write( "Question 914419: I need to solve system of equations by addition method\r
\n" ); document.write( "\n" ); document.write( "10x+3y=-12
\n" ); document.write( "5x=-4y-16\r
\n" ); document.write( "\n" ); document.write( "I am lost on this problem also.
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Algebra.Com's Answer #555072 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
10x+3y=-12
\n" ); document.write( "5x=-4y-16
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\n" ); document.write( "10x+3y=-12
\n" ); document.write( "5x+4y =-16
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\n" ); document.write( "Multiply the 2nd eqn by -2, then add.
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