Mathematics, 27.10.2019 22:43, hma9153

3x - 5y = 10 6x + 3y = -6 marybeth is going to solve this problem by multiplying the top equation by -2. if she does this and combines the equations, what does she get? a) -13y = -26 b) -7y = 14 c) -2y = 4 d) 13y = -26

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3x - 5y = 10 6x + 3y = -6 marybeth is going to solve this problem by multiplying the top equation by...