F+42=78

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Solution for F+42=78 equation: 


Simplifying
F + 42 = 78

Reorder the terms:
42 + F = 78

Solving
42 + F = 78

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 = 78 + -42

Combine like terms: 42 + -42 = 0
0 + F = 78 + -42
F = 78 + -42

Combine like terms: 78 + -42 = 36
F = 36

Simplifying
F = 36

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