-1=-(f+-8)

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Solution for -1=-(f+-8) equation:


Simplifying
-1 = -1(f + -8)

Reorder the terms:
-1 = -1(-8 + f)
-1 = (-8 * -1 + f * -1)
-1 = (8 + -1f)

Solving
-1 = 8 + -1f

Solving for variable 'f'.

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

Add 'f' to each side of the equation.
-1 + f = 8 + -1f + f

Combine like terms: -1f + f = 0
-1 + f = 8 + 0
-1 + f = 8

Add '1' to each side of the equation.
-1 + 1 + f = 8 + 1

Combine like terms: -1 + 1 = 0
0 + f = 8 + 1
f = 8 + 1

Combine like terms: 8 + 1 = 9
f = 9

Simplifying
f = 9

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