20f+(8f-15)=3(12f-15)

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Solution for 20f+(8f-15)=3(12f-15) equation:


Simplifying
20f + (8f + -15) = 3(12f + -15)

Reorder the terms:
20f + (-15 + 8f) = 3(12f + -15)

Remove parenthesis around (-15 + 8f)
20f + -15 + 8f = 3(12f + -15)

Reorder the terms:
-15 + 20f + 8f = 3(12f + -15)

Combine like terms: 20f + 8f = 28f
-15 + 28f = 3(12f + -15)

Reorder the terms:
-15 + 28f = 3(-15 + 12f)
-15 + 28f = (-15 * 3 + 12f * 3)
-15 + 28f = (-45 + 36f)

Solving
-15 + 28f = -45 + 36f

Solving for variable 'f'.

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

Add '-36f' to each side of the equation.
-15 + 28f + -36f = -45 + 36f + -36f

Combine like terms: 28f + -36f = -8f
-15 + -8f = -45 + 36f + -36f

Combine like terms: 36f + -36f = 0
-15 + -8f = -45 + 0
-15 + -8f = -45

Add '15' to each side of the equation.
-15 + 15 + -8f = -45 + 15

Combine like terms: -15 + 15 = 0
0 + -8f = -45 + 15
-8f = -45 + 15

Combine like terms: -45 + 15 = -30
-8f = -30

Divide each side by '-8'.
f = 3.75

Simplifying
f = 3.75

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