3(5f+2)-9=117

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Solution for 3(5f+2)-9=117 equation: 



3(5f+2)-9=117

We move all terms to the left:

3(5f+2)-9-(117)=0

We add all the numbers together, and all the variables

3(5f+2)-126=0

We multiply parentheses

15f+6-126=0

We add all the numbers together, and all the variables

15f-120=0

We move all terms containing f to the left, all other terms to the right

15f=120

f=120/15

f=8

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