document.write( "Question 1091117: x + 2y = 4
\n" ); document.write( "y = x + 1 \n" ); document.write( "

Algebra.Com's Answer #705528 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"system%28x%2B2y=4%2Cy=x%2B1%29\"$
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\n" ); document.write( "\n" ); document.write( " $\"x%2B2%28x%2B1%29=4\"$ ----this is simply a substitution.
\n" ); document.write( " $\"x%2B2x%2B1=4\"$
\n" ); document.write( " $\"3x=4-1\"$
\n" ); document.write( " $\"3x=3\"$
\n" ); document.write( " $\"x=1\"$
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