F-42=-45

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Solution for F-42=-45 equation: 


Simplifying
F + -42 = -45

Reorder the terms:
-42 + F = -45

Solving
-42 + F = -45

Solving for variable 'F'.

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

Add '42' to each side of the equation.
-42 + 42 + F = -45 + 42

Combine like terms: -42 + 42 = 0
0 + F = -45 + 42
F = -45 + 42

Combine like terms: -45 + 42 = -3
F = -3

Simplifying
F = -3

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