-4f=30-f

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Solution for -4f=30-f equation: 


Simplifying
-4f = 30 + -1f

Solving
-4f = 30 + -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.
-4f + f = 30 + -1f + f

Combine like terms: -4f + f = -3f
-3f = 30 + -1f + f

Combine like terms: -1f + f = 0
-3f = 30 + 0
-3f = 30

Divide each side by '-3'.
f = -10

Simplifying
f = -10

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