20+8(f-11)=-12

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Solution for 20+8(f-11)=-12 equation: 


Simplifying
20 + 8(f + -11) = -12

Reorder the terms:
20 + 8(-11 + f) = -12
20 + (-11 * 8 + f * 8) = -12
20 + (-88 + 8f) = -12

Combine like terms: 20 + -88 = -68
-68 + 8f = -12

Solving
-68 + 8f = -12

Solving for variable 'f'.

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

Add '68' to each side of the equation.
-68 + 68 + 8f = -12 + 68

Combine like terms: -68 + 68 = 0
0 + 8f = -12 + 68
8f = -12 + 68

Combine like terms: -12 + 68 = 56
8f = 56

Divide each side by '8'.
f = 7

Simplifying
f = 7

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