18=28+4f

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Solution for 18=28+4f equation:


Simplifying
18 = 28 + 4f

Solving
18 = 28 + 4f

Solving for variable 'f'.

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

Add '-4f' to each side of the equation.
18 + -4f = 28 + 4f + -4f

Combine like terms: 4f + -4f = 0
18 + -4f = 28 + 0
18 + -4f = 28

Add '-18' to each side of the equation.
18 + -18 + -4f = 28 + -18

Combine like terms: 18 + -18 = 0
0 + -4f = 28 + -18
-4f = 28 + -18

Combine like terms: 28 + -18 = 10
-4f = 10

Divide each side by '-4'.
f = -2.5

Simplifying
f = -2.5

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