document.write( "Question 950939: In the system of equations 4x + 2y = 10 and 3x + 7y = -18, which expression can be correctly substituted for y in the equation 3x + 7y = -18?\r
\n" ); document.write( "\n" ); document.write( "10-2x
\n" ); document.write( "10+2x
\n" ); document.write( "5-2x
\n" ); document.write( "5-2x
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Algebra.Com's Answer #580753 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"4x%2B2y=10\"
\n" ); document.write( "\"2x%2By=5\"
\n" ); document.write( "\"highlight%28y=5-2x%29\"
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