4f+f=2f-15

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Solution for 4f+f=2f-15 equation: 



4f+f=2f-15

We move all terms to the left:

4f+f-(2f-15)=0

We add all the numbers together, and all the variables

5f-(2f-15)=0

We get rid of parentheses

5f-2f+15=0

We add all the numbers together, and all the variables

3f+15=0

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

3f=-15

f=-15/3

f=-5

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