7f=6f-9

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Solution for 7f=6f-9 equation: 



7f=6f-9

We move all terms to the left:

7f-(6f-9)=0

We get rid of parentheses

7f-6f+9=0

We add all the numbers together, and all the variables

f+9=0

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

f=-9

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