3f+8=f+4f

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Solution for 3f+8=f+4f equation: 



3f+8=f+4f

We move all terms to the left:

3f+8-(f+4f)=0

We add all the numbers together, and all the variables

3f-(+5f)+8=0

We get rid of parentheses

3f-5f+8=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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