7f-12=3f-4

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Solution for 7f-12=3f-4 equation:


Simplifying
7f + -12 = 3f + -4

Reorder the terms:
-12 + 7f = 3f + -4

Reorder the terms:
-12 + 7f = -4 + 3f

Solving
-12 + 7f = -4 + 3f

Solving for variable 'f'.

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

Add '-3f' to each side of the equation.
-12 + 7f + -3f = -4 + 3f + -3f

Combine like terms: 7f + -3f = 4f
-12 + 4f = -4 + 3f + -3f

Combine like terms: 3f + -3f = 0
-12 + 4f = -4 + 0
-12 + 4f = -4

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

Combine like terms: -12 + 12 = 0
0 + 4f = -4 + 12
4f = -4 + 12

Combine like terms: -4 + 12 = 8
4f = 8

Divide each side by '4'.
f = 2

Simplifying
f = 2

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