-10(f-6)=30

Solution for -10(f-6)=30 equation:

Simplifying
-10(f + -6) = 30

Reorder the terms:
-10(-6 + f) = 30
(-6 * -10 + f * -10) = 30
(60 + -10f) = 30

Solving
60 + -10f = 30

Solving for variable 'f'.

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

Add '-60' to each side of the equation.
60 + -60 + -10f = 30 + -60

Combine like terms: 60 + -60 = 0
0 + -10f = 30 + -60
-10f = 30 + -60

Combine like terms: 30 + -60 = -30
-10f = -30

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

Simplifying
f = 3