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May 23, 2015

Homework Help: algebra

Posted by Tony on Tuesday, March 20, 2007 at 9:03pm.

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

substitution

Substitute 5x +3 for y in the first equation, then solve it for x.

Substitute 5x +3 for y in the first equation, then solve it for x.

When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this correct?

You are close! Try x = -1/5 (y is correct).

Substitute the values into the original equations to check. If both equations check out with the values you found as solutions, then you know you are on the right track! :)

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