Question

What should you multiply the top equation by so that yis eliminated when the equations are added? | 3x – y = -2 15x + 2y = 15 A. 4 B. -2 C. 2 D. -1

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Answer 1

c. 2

Explanation:

2 (3x – y = -2) 6x - 2y = -4

6x - 2y = -4