SOLUTION: v-8/3=v/7 What I did but it's wrong: 21(v-8)/3=21(v/7) 7v-168=3v -168/-4=-4v/-4v v=42

Question 795642: v-8/3=v/7
What I did but it's wrong:
21(v-8)/3=21(v/7)
7v-168=3v
-168/-4=-4v/-4v
v=42
Found 2 solutions by jim_thompson5910, scano5186:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
(v-8)/3=v/7

21(v-8)/3=21(v/7)

7(v-8) = 3v

7v - 56 = 3v

7v = 3v + 56

7v - 3v = 56

4v = 56

v = 56/4

v = 14

Answer by scano5186(1) (Show Source): You can put this solution on YOUR website!
jim please check ur email?:0
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