28=17-f

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Solution for 28=17-f equation:


Simplifying
28 = 17 + -1f

Solving
28 = 17 + -1f

Solving for variable 'f'.

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

Add 'f' to each side of the equation.
28 + f = 17 + -1f + f

Combine like terms: -1f + f = 0
28 + f = 17 + 0
28 + f = 17

Add '-28' to each side of the equation.
28 + -28 + f = 17 + -28

Combine like terms: 28 + -28 = 0
0 + f = 17 + -28
f = 17 + -28

Combine like terms: 17 + -28 = -11
f = -11

Simplifying
f = -11

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