document.write( "Question 522412: solve the system:
\n" ); document.write( "3x+4y=40
\n" ); document.write( "x-2y=0\r
\n" ); document.write( "\n" ); document.write( "solve the system:
\n" ); document.write( "3x+4y=-2
\n" ); document.write( "x=-2y
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Algebra.Com's Answer #346844 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "For the first one, multiply the 2nd equation by 2, then add the two equations, term by term. The y variable will end up with a zero coefficient and you can then solve the single variable equation in x. Once you know x, substitute it back into either of the original equations and solve for y.\r
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\n" ); document.write( "\n" ); document.write( "For the second one, read the instructions for posting.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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\"The

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