Answer:
15 = x
Step-by-step explanation:
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Answer:
17 × -17?
Step-by-step explanation:
i dont think it needs explanation?
Substitute on equation 2, y = -4x + 7. so equation 1 becomes 2x - (-4x + 7) = 6x - 7 = 5. 6x = 12, so x = 2. from above, y = -4x+7 = -4(2) + 7 = -1
Answer:
Step-by-step explanation:
