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Step-by-step explanation:
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if you did not leave it something in the problem definition, there is no real hurdle here.
I assume, the request is to solve this equation for v ?
2v + 18 = 16 - 4×(v + 7)
2v + 2 = -4v - 28
2v + 30 = -4v
30 = -6v
v = -30/6 = -5