F(7a)=X-7

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Solution for F(7a)=X-7 equation: 


Simplifying
F(7a) = X + -7

Remove parenthesis around (7a)
F * 7a = X + -7

Reorder the terms for easier multiplication:
7F * a = X + -7

Multiply F * a
7aF = X + -7

Reorder the terms:
7aF = -7 + X

Solving
7aF = -7 + X

Solving for variable 'a'.

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

Divide each side by '7F'.
a = -1F-1 + 0.1428571429F-1X

Simplifying
a = -1F-1 + 0.1428571429F-1X

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