12=10+f

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Solution for 12=10+f equation:


Simplifying
12 = 10 + f

Solving
12 = 10 + f

Solving for variable 'f'.

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

Add '-1f' to each side of the equation.
12 + -1f = 10 + f + -1f

Combine like terms: f + -1f = 0
12 + -1f = 10 + 0
12 + -1f = 10

Add '-12' to each side of the equation.
12 + -12 + -1f = 10 + -12

Combine like terms: 12 + -12 = 0
0 + -1f = 10 + -12
-1f = 10 + -12

Combine like terms: 10 + -12 = -2
-1f = -2

Divide each side by '-1'.
f = 2

Simplifying
f = 2

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