-2f-8=-20

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Solution for -2f-8=-20 equation: 


Simplifying
-2f + -8 = -20

Reorder the terms:
-8 + -2f = -20

Solving
-8 + -2f = -20

Solving for variable 'f'.

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

Add '8' to each side of the equation.
-8 + 8 + -2f = -20 + 8

Combine like terms: -8 + 8 = 0
0 + -2f = -20 + 8
-2f = -20 + 8

Combine like terms: -20 + 8 = -12
-2f = -12

Divide each side by '-2'.
f = 6

Simplifying
f = 6

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