document.write( "Question 730094: x + y = 4
\n" ); document.write( " 2x + 3y = 0 \n" ); document.write( "

Algebra.Com's Answer #446462 by stanbon(75887) $\"\"$ $\"About$

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x + y = 4
\n" ); document.write( "2x + 3y = 0
\n" ); document.write( "----
\n" ); document.write( "Modify:
\n" ); document.write( "2x + 2y = 8
\n" ); document.write( "2x + 3y = 0
\n" ); document.write( "---
\n" ); document.write( "Subtract and solve for \"y\":
\n" ); document.write( "y = -8
\n" ); document.write( "---
\n" ); document.write( "Substitute to solve for \"x\":
\n" ); document.write( "x + y = 4
\n" ); document.write( "x - 8 = 4
\n" ); document.write( "x = 12
\n" ); document.write( "----------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "=============== \n" ); document.write( "

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