5(f-5)=20

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Solution for 5(f-5)=20 equation: 


Simplifying
5(f + -5) = 20

Reorder the terms:
5(-5 + f) = 20
(-5 * 5 + f * 5) = 20
(-25 + 5f) = 20

Solving
-25 + 5f = 20

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 = 20 + 25

Combine like terms: -25 + 25 = 0
0 + 5f = 20 + 25
5f = 20 + 25

Combine like terms: 20 + 25 = 45
5f = 45

Divide each side by '5'.
f = 9

Simplifying
f = 9

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