3(12f+18)+15=-7(-3f+18)

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Solution for 3(12f+18)+15=-7(-3f+18) equation: 



3(12f+18)+15=-7(-3f+18)

We move all terms to the left:

3(12f+18)+15-(-7(-3f+18))=0

We multiply parentheses

36f-(-7(-3f+18))+54+15=0



We calculate terms in parentheses: -(-7(-3f+18)), so:

-7(-3f+18)

We multiply parentheses

21f-126

Back to the equation:

-(21f-126)



We add all the numbers together, and all the variables

36f-(21f-126)+69=0

We get rid of parentheses

36f-21f+126+69=0

We add all the numbers together, and all the variables

15f+195=0

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

15f=-195

f=-195/15

f=-13

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