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Mathematics 12 Online
OpenStudy (anonymous):

4x - 5y = -3 x + 2y = 9 Answer submission: If your answer is an ordered pair such as x = 7 and y = -8 then enter (7,-8) with no spacing

OpenStudy (tkhunny):

Multiply the 2nd by -4.

OpenStudy (anonymous):

multiply the second equation by 4 and substract it from firstequation

OpenStudy (anonymous):

Thanks my textbook do not explain this problem so I can understand it

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