(8-20f)+5=(18f-9)

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Solution for (8-20f)+5=(18f-9) equation:


Simplifying
(8 + -20f) + 5 = (18f + -9)

Remove parenthesis around (8 + -20f)
8 + -20f + 5 = (18f + -9)

Reorder the terms:
8 + 5 + -20f = (18f + -9)

Combine like terms: 8 + 5 = 13
13 + -20f = (18f + -9)

Reorder the terms:
13 + -20f = (-9 + 18f)

Remove parenthesis around (-9 + 18f)
13 + -20f = -9 + 18f

Solving
13 + -20f = -9 + 18f

Solving for variable 'f'.

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

Add '-18f' to each side of the equation.
13 + -20f + -18f = -9 + 18f + -18f

Combine like terms: -20f + -18f = -38f
13 + -38f = -9 + 18f + -18f

Combine like terms: 18f + -18f = 0
13 + -38f = -9 + 0
13 + -38f = -9

Add '-13' to each side of the equation.
13 + -13 + -38f = -9 + -13

Combine like terms: 13 + -13 = 0
0 + -38f = -9 + -13
-38f = -9 + -13

Combine like terms: -9 + -13 = -22
-38f = -22

Divide each side by '-38'.
f = 0.5789473684

Simplifying
f = 0.5789473684

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