document.write( "Question 1166593: Please explain in detail how to use substitution to solve linear system:\r
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\n" ); document.write( "-2x-3y=-7
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Algebra.Com's Answer #791096 by josgarithmetic(39623)\"\" \"About 
You can put this solution on YOUR website!
Explain in detail? Nothing to explain. YOU JUST SUBSTITUTE AND SOLVE!\r
\n" ); document.write( "\n" ); document.write( "You see one of the equations is y in terms of x? You know how to begin.\r
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\n" ); document.write( "\n" ); document.write( "LOOK AT WHAT YOU HAVE! y IS EQUAL TO SOMETHING. PUT THAT EXPRESSION INTO y FOR THE OTHER EQUATION AND SOLVE FOR x.
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