f(-a)=2x-11

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Solution for f(-a)=2x-11 equation: 


Simplifying
f(-1a) = 2x + -11

Remove parenthesis around (-1a)
f * -1a = 2x + -11

Reorder the terms for easier multiplication:
-1f * a = 2x + -11

Multiply f * a
-1af = 2x + -11

Reorder the terms:
-1af = -11 + 2x

Solving
-1af = -11 + 2x

Solving for variable 'a'.

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

Divide each side by '-1f'.
a = 11f-1 + -2f-1x

Simplifying
a = 11f-1 + -2f-1x

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