20+(-8f-15)=3(4f-5)

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Solution for 20+(-8f-15)=3(4f-5) equation:


Simplifying
20 + (-8f + -15) = 3(4f + -5)

Reorder the terms:
20 + (-15 + -8f) = 3(4f + -5)

Remove parenthesis around (-15 + -8f)
20 + -15 + -8f = 3(4f + -5)

Combine like terms: 20 + -15 = 5
5 + -8f = 3(4f + -5)

Reorder the terms:
5 + -8f = 3(-5 + 4f)
5 + -8f = (-5 * 3 + 4f * 3)
5 + -8f = (-15 + 12f)

Solving
5 + -8f = -15 + 12f

Solving for variable 'f'.

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

Add '-12f' to each side of the equation.
5 + -8f + -12f = -15 + 12f + -12f

Combine like terms: -8f + -12f = -20f
5 + -20f = -15 + 12f + -12f

Combine like terms: 12f + -12f = 0
5 + -20f = -15 + 0
5 + -20f = -15

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

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

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

Divide each side by '-20'.
f = 1

Simplifying
f = 1

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