87.64=f-(-8.5)

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Solution for 87.64=f-(-8.5) equation: 


Simplifying
87.64 = f + -1(-8.5)

Multiply -1 * -8.5
87.64 = f + 8.5

Reorder the terms:
87.64 = 8.5 + f

Solving
87.64 = 8.5 + f

Solving for variable 'f'.

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

Add '-1f' to each side of the equation.
87.64 + -1f = 8.5 + f + -1f

Combine like terms: f + -1f = 0
87.64 + -1f = 8.5 + 0
87.64 + -1f = 8.5

Add '-87.64' to each side of the equation.
87.64 + -87.64 + -1f = 8.5 + -87.64

Combine like terms: 87.64 + -87.64 = 0.00
0.00 + -1f = 8.5 + -87.64
-1f = 8.5 + -87.64

Combine like terms: 8.5 + -87.64 = -79.14
-1f = -79.14

Divide each side by '-1'.
f = 79.14

Simplifying
f = 79.14

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