10(7-2f)=30

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Solution for 10(7-2f)=30 equation: 



10(7-2f)=30

We move all terms to the left:

10(7-2f)-(30)=0

We add all the numbers together, and all the variables

10(-2f+7)-30=0

We multiply parentheses

-20f+70-30=0

We add all the numbers together, and all the variables

-20f+40=0

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

-20f=-40

f=-40/-20

f=+2

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