4(f-10)=-20

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Solution for 4(f-10)=-20 equation:


Simplifying
4(f + -10) = -20

Reorder the terms:
4(-10 + f) = -20
(-10 * 4 + f * 4) = -20
(-40 + 4f) = -20

Solving
-40 + 4f = -20

Solving for variable 'f'.

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

Add '40' to each side of the equation.
-40 + 40 + 4f = -20 + 40

Combine like terms: -40 + 40 = 0
0 + 4f = -20 + 40
4f = -20 + 40

Combine like terms: -20 + 40 = 20
4f = 20

Divide each side by '4'.
f = 5

Simplifying
f = 5

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