9f-4=7f+16

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Solution for 9f-4=7f+16 equation: 



9f-4=7f+16

We move all terms to the left:

9f-4-(7f+16)=0

We get rid of parentheses

9f-7f-16-4=0

We add all the numbers together, and all the variables

2f-20=0

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

2f=20

f=20/2

f=10

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