3f+6=f-2

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Solution for 3f+6=f-2 equation: 



3f+6=f-2

We move all terms to the left:

3f+6-(f-2)=0

We get rid of parentheses

3f-f+2+6=0

We add all the numbers together, and all the variables

2f+8=0

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

2f=-8

f=-8/2

f=-4

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