5(f-5)=40

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Solution for 5(f-5)=40 equation: 


Simplifying
5(f + -5) = 40

Reorder the terms:
5(-5 + f) = 40
(-5 * 5 + f * 5) = 40
(-25 + 5f) = 40

Solving
-25 + 5f = 40

Solving for variable 'f'.

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

Add '25' to each side of the equation.
-25 + 25 + 5f = 40 + 25

Combine like terms: -25 + 25 = 0
0 + 5f = 40 + 25
5f = 40 + 25

Combine like terms: 40 + 25 = 65
5f = 65

Divide each side by '5'.
f = 13

Simplifying
f = 13

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