Solve the system of equations below.

-3x+6y=9

5x+7y=-49

A. (-2,-7)

B. (-7,-2)

C. (1,-2)

D. (-2, 1/2)

When you sign up for a gaming website, you get two months free. Then you are charged $18 per month. If you pay $90, how many months will you be able to play? CLEAR CHECK

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