4(f+10)=20

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Solution for 4(f+10)=20 equation: 


Simplifying
4(f + 10) = 20

Reorder the terms:
4(10 + f) = 20
(10 * 4 + f * 4) = 20
(40 + 4f) = 20

Solving
40 + 4f = 20

Solving for variable 'f'.

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

Add '-40' to each side of the equation.
40 + -40 + 4f = 20 + -40

Combine like terms: 40 + -40 = 0
0 + 4f = 20 + -40
4f = 20 + -40

Combine like terms: 20 + -40 = -20
4f = -20

Divide each side by '4'.
f = -5

Simplifying
f = -5

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