5f=2f+9

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Solution for 5f=2f+9 equation: 



5f=2f+9

We move all terms to the left:

5f-(2f+9)=0

We get rid of parentheses

5f-2f-9=0

We add all the numbers together, and all the variables

3f-9=0

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

3f=9

f=9/3

f=3

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