3f-30=-18

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Solution for 3f-30=-18 equation: 


Simplifying
3f + -30 = -18

Reorder the terms:
-30 + 3f = -18

Solving
-30 + 3f = -18

Solving for variable 'f'.

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

Add '30' to each side of the equation.
-30 + 30 + 3f = -18 + 30

Combine like terms: -30 + 30 = 0
0 + 3f = -18 + 30
3f = -18 + 30

Combine like terms: -18 + 30 = 12
3f = 12

Divide each side by '3'.
f = 4

Simplifying
f = 4

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