F-(-7)=-23

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Solution for F-(-7)=-23 equation: 


Simplifying
F + -1(-7) = -23

Multiply -1 * -7
F + 7 = -23

Reorder the terms:
7 + F = -23

Solving
7 + F = -23

Solving for variable 'F'.

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

Add '-7' to each side of the equation.
7 + -7 + F = -23 + -7

Combine like terms: 7 + -7 = 0
0 + F = -23 + -7
F = -23 + -7

Combine like terms: -23 + -7 = -30
F = -30

Simplifying
F = -30

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