-20=5(f+3)

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Solution for -20=5(f+3) equation:


Simplifying
-20 = 5(f + 3)

Reorder the terms:
-20 = 5(3 + f)
-20 = (3 * 5 + f * 5)
-20 = (15 + 5f)

Solving
-20 = 15 + 5f

Solving for variable 'f'.

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

Add '-5f' to each side of the equation.
-20 + -5f = 15 + 5f + -5f

Combine like terms: 5f + -5f = 0
-20 + -5f = 15 + 0
-20 + -5f = 15

Add '20' to each side of the equation.
-20 + 20 + -5f = 15 + 20

Combine like terms: -20 + 20 = 0
0 + -5f = 15 + 20
-5f = 15 + 20

Combine like terms: 15 + 20 = 35
-5f = 35

Divide each side by '-5'.
f = -7

Simplifying
f = -7

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