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Math [substitution method]

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Could someone please help me with this??

Solve, if possible, using the substitution method.
2x+3y=-10
x-2y=7


What is the x-coordinate?
 Feb 14, 2012

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 #1
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[input]solve( 2x+3y=-10, x-2y=7 )[/input]
 Feb 14, 2012

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