4f-12=3-f

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Solution for 4f-12=3-f equation:


Simplifying
4f + -12 = 3 + -1f

Reorder the terms:
-12 + 4f = 3 + -1f

Solving
-12 + 4f = 3 + -1f

Solving for variable 'f'.

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

Add 'f' to each side of the equation.
-12 + 4f + f = 3 + -1f + f

Combine like terms: 4f + f = 5f
-12 + 5f = 3 + -1f + f

Combine like terms: -1f + f = 0
-12 + 5f = 3 + 0
-12 + 5f = 3

Add '12' to each side of the equation.
-12 + 12 + 5f = 3 + 12

Combine like terms: -12 + 12 = 0
0 + 5f = 3 + 12
5f = 3 + 12

Combine like terms: 3 + 12 = 15
5f = 15

Divide each side by '5'.
f = 3

Simplifying
f = 3

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