SOLUTION: 35 over 7 = x over 21

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Question 939267: 35 over 7 = x over 21
Found 2 solutions by petercaballero, MathTherapy:
Answer by petercaballero(2) About Me  (Show Source):
You can put this solution on YOUR website!
35 over 7 = x over 21
53/7 = x/21
cross multiply then divide
53 x 21 = 1113
1113/7 = 159

53/7 = 159/21
x = 159

Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!

35 over 7 = x over 21
highlight_green%28x+=+105%29