-5f+28=-21

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Solution for -5f+28=-21 equation: 


Simplifying
-5f + 28 = -21

Reorder the terms:
28 + -5f = -21

Solving
28 + -5f = -21

Solving for variable 'f'.

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

Add '-28' to each side of the equation.
28 + -28 + -5f = -21 + -28

Combine like terms: 28 + -28 = 0
0 + -5f = -21 + -28
-5f = -21 + -28

Combine like terms: -21 + -28 = -49
-5f = -49

Divide each side by '-5'.
f = 9.8

Simplifying
f = 9.8

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