2(f-10)=-30

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Solution for 2(f-10)=-30 equation: 


Simplifying
2(f + -10) = -30

Reorder the terms:
2(-10 + f) = -30
(-10 * 2 + f * 2) = -30
(-20 + 2f) = -30

Solving
-20 + 2f = -30

Solving for variable 'f'.

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

Add '20' to each side of the equation.
-20 + 20 + 2f = -30 + 20

Combine like terms: -20 + 20 = 0
0 + 2f = -30 + 20
2f = -30 + 20

Combine like terms: -30 + 20 = -10
2f = -10

Divide each side by '2'.
f = -5

Simplifying
f = -5

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