f+af-12=3

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Solution for f+af-12=3 equation:


Simplifying
f + af + -12 = 3

Reorder the terms:
-12 + af + f = 3

Solving
-12 + af + f = 3

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + af + 12 + f = 3 + 12

Reorder the terms:
-12 + 12 + af + f = 3 + 12

Combine like terms: -12 + 12 = 0
0 + af + f = 3 + 12
af + f = 3 + 12

Combine like terms: 3 + 12 = 15
af + f = 15

Add '-1f' to each side of the equation.
af + f + -1f = 15 + -1f

Combine like terms: f + -1f = 0
af + 0 = 15 + -1f
af = 15 + -1f

Divide each side by 'f'.
a = 15f-1 + -1

Simplifying
a = 15f-1 + -1

Reorder the terms:
a = -1 + 15f-1

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