7(9+f)=84

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Solution for 7(9+f)=84 equation:



7(9+f)=84
We move all terms to the left:
7(9+f)-(84)=0
We add all the numbers together, and all the variables
7(f+9)-84=0
We multiply parentheses
7f+63-84=0
We add all the numbers together, and all the variables
7f-21=0
We move all terms containing f to the left, all other terms to the right
7f=21
f=21/7
f=3

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