document.write( "Question 176580: Solve the system:
\n" ); document.write( "4x + 3y = 12
\n" ); document.write( "x + y = 2 \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #131652 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"4x+%2B+3y+=+12\"$ , EQN 1
\n" ); document.write( " $\"x+%2B+y+=+2+\"$ , EQN 2
\n" ); document.write( "In EQN 2, we get
\n" ); document.write( " $\"y=2-x\"$ , EQN 3, & subst in EQN 1:
\n" ); document.write( " $\"4x%2B3%282-x%29=12\"$
\n" ); document.write( " $\"4x%2B6-3x=12\"$
\n" ); document.write( " $\"4x-3x=12-6\"$
\n" ); document.write( " $\"highlight%28x=6%29\"$ , subst in EQN 3:
\n" ); document.write( " $\"y=2-6=highlight%28-4=y%29\"$
\n" ); document.write( "See graph:
\n" ); document.write( "--> RED>>>EQN 2; GREEN>>>EQN 1
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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