SOLUTION: x/7=3/21 find the missing variable

SOLUTION: x/7=3/21 find the missing variable

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Question 392534: x/7=3/21
find the missing variable
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x/7=3/21
-------------
Multiply both sides by 21 to get:
3x = 3
Divide by 3 to get:
x = 1
==================
Cheers,
Stan H.
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