2(20-2f)=48

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Solution for 2(20-2f)=48 equation: 


Simplifying
2(20 + -2f) = 48
(20 * 2 + -2f * 2) = 48
(40 + -4f) = 48

Solving
40 + -4f = 48

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 = 48 + -40

Combine like terms: 40 + -40 = 0
0 + -4f = 48 + -40
-4f = 48 + -40

Combine like terms: 48 + -40 = 8
-4f = 8

Divide each side by '-4'.
f = -2

Simplifying
f = -2

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