3f+5=7f+4

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Solution for 3f+5=7f+4 equation: 


Simplifying
3f + 5 = 7f + 4

Reorder the terms:
5 + 3f = 7f + 4

Reorder the terms:
5 + 3f = 4 + 7f

Solving
5 + 3f = 4 + 7f

Solving for variable 'f'.

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

Add '-7f' to each side of the equation.
5 + 3f + -7f = 4 + 7f + -7f

Combine like terms: 3f + -7f = -4f
5 + -4f = 4 + 7f + -7f

Combine like terms: 7f + -7f = 0
5 + -4f = 4 + 0
5 + -4f = 4

Add '-5' to each side of the equation.
5 + -5 + -4f = 4 + -5

Combine like terms: 5 + -5 = 0
0 + -4f = 4 + -5
-4f = 4 + -5

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

Divide each side by '-4'.
f = 0.25

Simplifying
f = 0.25

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