9f-1=4(2f-1)-3(-5+f)

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Solution for 9f-1=4(2f-1)-3(-5+f) equation:


Simplifying
9f + -1 = 4(2f + -1) + -3(-5 + f)

Reorder the terms:
-1 + 9f = 4(2f + -1) + -3(-5 + f)

Reorder the terms:
-1 + 9f = 4(-1 + 2f) + -3(-5 + f)
-1 + 9f = (-1 * 4 + 2f * 4) + -3(-5 + f)
-1 + 9f = (-4 + 8f) + -3(-5 + f)
-1 + 9f = -4 + 8f + (-5 * -3 + f * -3)
-1 + 9f = -4 + 8f + (15 + -3f)

Reorder the terms:
-1 + 9f = -4 + 15 + 8f + -3f

Combine like terms: -4 + 15 = 11
-1 + 9f = 11 + 8f + -3f

Combine like terms: 8f + -3f = 5f
-1 + 9f = 11 + 5f

Solving
-1 + 9f = 11 + 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.
-1 + 9f + -5f = 11 + 5f + -5f

Combine like terms: 9f + -5f = 4f
-1 + 4f = 11 + 5f + -5f

Combine like terms: 5f + -5f = 0
-1 + 4f = 11 + 0
-1 + 4f = 11

Add '1' to each side of the equation.
-1 + 1 + 4f = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 4f = 11 + 1
4f = 11 + 1

Combine like terms: 11 + 1 = 12
4f = 12

Divide each side by '4'.
f = 3

Simplifying
f = 3

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