Answer:
v = 3d/7 - 5/7
Explanation:
3d = 7v+5
3d - 5 = 7v
3d/7 - 5/7 = v
v=3d/7 - 5/7
3d=7v+5
-5 -5
3d-5=7v
7 7 7
3d/7 - 5/7=v
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