40=f/4+30

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Solution for 40=f/4+30 equation:



40=f/4+30
We move all terms to the left:
40-(f/4+30)=0
We get rid of parentheses
-f/4-30+40=0
We multiply all the terms by the denominator
-f-30*4+40*4=0
We add all the numbers together, and all the variables
-1f+40=0
We move all terms containing f to the left, all other terms to the right
-f=-40
f=-40/-1
f=+40

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