3(-5-5f)=30

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Solution for 3(-5-5f)=30 equation: 


Simplifying
3(-5 + -5f) = 30
(-5 * 3 + -5f * 3) = 30
(-15 + -15f) = 30

Solving
-15 + -15f = 30

Solving for variable 'f'.

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

Add '15' to each side of the equation.
-15 + 15 + -15f = 30 + 15

Combine like terms: -15 + 15 = 0
0 + -15f = 30 + 15
-15f = 30 + 15

Combine like terms: 30 + 15 = 45
-15f = 45

Divide each side by '-15'.
f = -3

Simplifying
f = -3

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