document.write( "Question 1069882: Solve linear equation by using substuition \r
\n" ); document.write( "\n" ); document.write( "3x+5y=-12
\n" ); document.write( "-2x+7y=8
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Algebra.Com's Answer #684982 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
Pick an equation and solve for one variable.\r
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\n" ); document.write( "\n" ); document.write( "Substitute this into the other equation and solve for the value of one variable.\r
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\n" ); document.write( "\n" ); document.write( "Use the value in the first-picked equation.
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