document.write( "Question 176579: Solve this system:
\n" ); document.write( "3x - 2y = 23
\n" ); document.write( "x + 5y = -15 \n" ); document.write( "

Algebra.Com's Answer #131653 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"3x+-+2y+=+23+\"$ , EQN 1
\n" ); document.write( " $\"x+%2B+5y+=+-15+\"$ , EQN 2
\n" ); document.write( "In EQN 2 we get,
\n" ); document.write( " $\"5y=-15-x\"$ ----> $\"cross%285%29y%2Fcross%285%29=%28-15-x%29%2F5\"$
\n" ); document.write( " $\"y=%28-15%2F5%29-%28x%2F5%29\"$
\n" ); document.write( " $\"y=-3-%281%2F5%29x\"$ , EQN 3, subst in EQN 1:
\n" ); document.write( " $\"3x-2%28-3-%281%2F5%29x%29=23\"$
\n" ); document.write( " $\"3x%2B6%2B%282%2F5%29x=23\"$
\n" ); document.write( " $\"%2815x%2B2x%29%2F5=23-6\"$
\n" ); document.write( " $\"17x%2F5=17\"$ ----> $\"17x=5%2A17\"$ ----> $\"cross%2817%29x%2Fcross%2817%29=5%2Across%2817%29%2Fcross%2817%29\"$
\n" ); document.write( " $\"highlight%28x=5%29\"$ , subst in EQN 3:
\n" ); document.write( " $\"y=-3-%281%2F5%29%285%29=-3-1\"$
\n" ); document.write( " $\"highlight%28y=-4%29\"$
\n" ); document.write( "See graph:
\n" ); document.write( "-----> RED>>> EQN 2; GREEN>>> EQN 1
\n" ); document.write( "thank you,
\n" ); document.write( "Jojo
\n" ); document.write( " \n" ); document.write( "

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