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April 20, 2014

Homework Help: math

Posted by Robin on Wednesday, August 8, 2007 at 1:36am.

Solve systems by substitution

5x - 2y = -5
y - 5x = 3

Substitute 5x + 3 for y in the first equation, and solve it for x.
Once you have x, use either of the two equations you wrote to solve for y.

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