4(f+15)=80

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Solution for 4(f+15)=80 equation: 


Simplifying
4(f + 15) = 80

Reorder the terms:
4(15 + f) = 80
(15 * 4 + f * 4) = 80
(60 + 4f) = 80

Solving
60 + 4f = 80

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Add '-60' to each side of the equation.
60 + -60 + 4f = 80 + -60

Combine like terms: 60 + -60 = 0
0 + 4f = 80 + -60
4f = 80 + -60

Combine like terms: 80 + -60 = 20
4f = 20

Divide each side by '4'.
f = 5

Simplifying
f = 5

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