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Mathematics 11 Online
OpenStudy (anonymous):

Select the best possible first step to solving the following system by first eliminating the y variable. 3x + y = 6 x + 2y = -13

OpenStudy (harsimran_hs4):

multipy the 1st eq by 2 (figure out why?)

OpenStudy (kamille):

well, I suggest multiplying the first eq by -2

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