-8f-7-9=-20

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Solution for -8f-7-9=-20 equation: 


Simplifying
-8f + -7 + -9 = -20

Reorder the terms:
-7 + -9 + -8f = -20

Combine like terms: -7 + -9 = -16
-16 + -8f = -20

Solving
-16 + -8f = -20

Solving for variable 'f'.

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

Add '16' to each side of the equation.
-16 + 16 + -8f = -20 + 16

Combine like terms: -16 + 16 = 0
0 + -8f = -20 + 16
-8f = -20 + 16

Combine like terms: -20 + 16 = -4
-8f = -4

Divide each side by '-8'.
f = 0.5

Simplifying
f = 0.5

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