3f+5=5f-7

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Solution for 3f+5=5f-7 equation:


Simplifying
3f + 5 = 5f + -7

Reorder the terms:
5 + 3f = 5f + -7

Reorder the terms:
5 + 3f = -7 + 5f

Solving
5 + 3f = -7 + 5f

Solving for variable 'f'.

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

Add '-5f' to each side of the equation.
5 + 3f + -5f = -7 + 5f + -5f

Combine like terms: 3f + -5f = -2f
5 + -2f = -7 + 5f + -5f

Combine like terms: 5f + -5f = 0
5 + -2f = -7 + 0
5 + -2f = -7

Add '-5' to each side of the equation.
5 + -5 + -2f = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -2f = -7 + -5
-2f = -7 + -5

Combine like terms: -7 + -5 = -12
-2f = -12

Divide each side by '-2'.
f = 6

Simplifying
f = 6

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