20=-4(f+6)+4

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Solution for 20=-4(f+6)+4 equation: 


Simplifying
20 = -4(f + 6) + 4

Reorder the terms:
20 = -4(6 + f) + 4
20 = (6 * -4 + f * -4) + 4
20 = (-24 + -4f) + 4

Reorder the terms:
20 = -24 + 4 + -4f

Combine like terms: -24 + 4 = -20
20 = -20 + -4f

Solving
20 = -20 + -4f

Solving for variable 'f'.

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

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

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

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

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

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

Divide each side by '4'.
f = -10

Simplifying
f = -10

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