9=(-3f-8)

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Solution for 9=(-3f-8) equation: 



9=(-3f-8)

We move all terms to the left:

9-((-3f-8))=0



We calculate terms in parentheses: -((-3f-8)), so:

(-3f-8)

We get rid of parentheses

-3f-8

Back to the equation:

-(-3f-8)



We get rid of parentheses

3f+8+9=0

We add all the numbers together, and all the variables

3f+17=0

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

3f=-17

f=-17/3

f=-5+2/3

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