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Mathematics 7 Online
OpenStudy (anonymous):

Solve the systems of equation 3b + 2a = 2 -2b + a = 8. a. (-2,4) b. (4, -2) c. (-4,-2) d. (9/7, -1/2) i got b, but i'm not sure if i'm right.

OpenStudy (anonymous):

b=-2 a=4

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