-4f+21=11

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Solution for -4f+21=11 equation: 


Simplifying
-4f + 21 = 11

Reorder the terms:
21 + -4f = 11

Solving
21 + -4f = 11

Solving for variable 'f'.

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

Add '-21' to each side of the equation.
21 + -21 + -4f = 11 + -21

Combine like terms: 21 + -21 = 0
0 + -4f = 11 + -21
-4f = 11 + -21

Combine like terms: 11 + -21 = -10
-4f = -10

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

Simplifying
f = 2.5

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