f=3f+30

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Solution for f=3f+30 equation:



f=3f+30
We move all terms to the left:
f-(3f+30)=0
We get rid of parentheses
f-3f-30=0
We add all the numbers together, and all the variables
-2f-30=0
We move all terms containing f to the left, all other terms to the right
-2f=30
f=30/-2
f=-15

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