4(2f+1)=20

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Solution for 4(2f+1)=20 equation:



4(2f+1)=20
We move all terms to the left:
4(2f+1)-(20)=0
We multiply parentheses
8f+4-20=0
We add all the numbers together, and all the variables
8f-16=0
We move all terms containing f to the left, all other terms to the right
8f=16
f=16/8
f=2

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