document.write( "Question 465409: how to solve a system by substitution? \r
\n" ); document.write( "\n" ); document.write( "y = -3 and 2x + 8y = -12 \n" ); document.write( "

Algebra.Com's Answer #318911 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The first equation gives you a value for

directly. Substitute that value in place of

in the second equation and solve the resulting single variable equation in

. The solution set is the ordered pair

where

is the value calculated and

is the value given by the first equation.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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