f+4+f=3f-4-5f

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Solution for f+4+f=3f-4-5f equation:


Simplifying
f + 4 + f = 3f + -4 + -5f

Reorder the terms:
4 + f + f = 3f + -4 + -5f

Combine like terms: f + f = 2f
4 + 2f = 3f + -4 + -5f

Reorder the terms:
4 + 2f = -4 + 3f + -5f

Combine like terms: 3f + -5f = -2f
4 + 2f = -4 + -2f

Solving
4 + 2f = -4 + -2f

Solving for variable 'f'.

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

Add '2f' to each side of the equation.
4 + 2f + 2f = -4 + -2f + 2f

Combine like terms: 2f + 2f = 4f
4 + 4f = -4 + -2f + 2f

Combine like terms: -2f + 2f = 0
4 + 4f = -4 + 0
4 + 4f = -4

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

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

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

Divide each side by '4'.
f = -2

Simplifying
f = -2

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