20f+[-8f-15]=3[4f-5]

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Solution for 20f+[-8f-15]=3[4f-5] equation:


Simplifying
20f + [-8f + -15] = 3[4f + -5]

Reorder the terms:
20f + [-15 + -8f] = 3[4f + -5]

Remove brackets around [-15 + -8f]
20f + -15 + -8f = 3[4f + -5]

Reorder the terms:
-15 + 20f + -8f = 3[4f + -5]

Combine like terms: 20f + -8f = 12f
-15 + 12f = 3[4f + -5]

Reorder the terms:
-15 + 12f = 3[-5 + 4f]
-15 + 12f = [-5 * 3 + 4f * 3]
-15 + 12f = [-15 + 12f]

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

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

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

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

Combine like terms: 12f + -12f = 0
0 = 12f + -12f

Combine like terms: 12f + -12f = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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