3=2f+5

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Solution for 3=2f+5 equation:


Simplifying
3 = 2f + 5

Reorder the terms:
3 = 5 + 2f

Solving
3 = 5 + 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.
3 + -2f = 5 + 2f + -2f

Combine like terms: 2f + -2f = 0
3 + -2f = 5 + 0
3 + -2f = 5

Add '-3' to each side of the equation.
3 + -3 + -2f = 5 + -3

Combine like terms: 3 + -3 = 0
0 + -2f = 5 + -3
-2f = 5 + -3

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

Divide each side by '-2'.
f = -1

Simplifying
f = -1

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