F-1(8)=4+7x

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Solution for F-1(8)=4+7x equation: 


Simplifying
F + -1(8) = 4 + 7x

Multiply -1 * 8
F + -8 = 4 + 7x

Reorder the terms:
-8 + F = 4 + 7x

Solving
-8 + F = 4 + 7x

Solving for variable 'F'.

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

Add '8' to each side of the equation.
-8 + 8 + F = 4 + 8 + 7x

Combine like terms: -8 + 8 = 0
0 + F = 4 + 8 + 7x
F = 4 + 8 + 7x

Combine like terms: 4 + 8 = 12
F = 12 + 7x

Simplifying
F = 12 + 7x

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