12=5+f

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Solution for 12=5+f equation:


Simplifying
12 = 5 + f

Solving
12 = 5 + 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 = 5 + f + -1f

Combine like terms: f + -1f = 0
12 + -1f = 5 + 0
12 + -1f = 5

Add '-12' to each side of the equation.
12 + -12 + -1f = 5 + -12

Combine like terms: 12 + -12 = 0
0 + -1f = 5 + -12
-1f = 5 + -12

Combine like terms: 5 + -12 = -7
-1f = -7

Divide each side by '-1'.
f = 7

Simplifying
f = 7

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