9f-10=10-f+10

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Solution for 9f-10=10-f+10 equation:


Simplifying
9f + -10 = 10 + -1f + 10

Reorder the terms:
-10 + 9f = 10 + -1f + 10

Reorder the terms:
-10 + 9f = 10 + 10 + -1f

Combine like terms: 10 + 10 = 20
-10 + 9f = 20 + -1f

Solving
-10 + 9f = 20 + -1f

Solving for variable 'f'.

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

Add 'f' to each side of the equation.
-10 + 9f + f = 20 + -1f + f

Combine like terms: 9f + f = 10f
-10 + 10f = 20 + -1f + f

Combine like terms: -1f + f = 0
-10 + 10f = 20 + 0
-10 + 10f = 20

Add '10' to each side of the equation.
-10 + 10 + 10f = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 10f = 20 + 10
10f = 20 + 10

Combine like terms: 20 + 10 = 30
10f = 30

Divide each side by '10'.
f = 3

Simplifying
f = 3

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