13+(2-f)=-6

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Solution for 13+(2-f)=-6 equation:


Simplifying
13 + (2 + -1f) = -6

Remove parenthesis around (2 + -1f)
13 + 2 + -1f = -6

Combine like terms: 13 + 2 = 15
15 + -1f = -6

Solving
15 + -1f = -6

Solving for variable 'f'.

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

Add '-15' to each side of the equation.
15 + -15 + -1f = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -1f = -6 + -15
-1f = -6 + -15

Combine like terms: -6 + -15 = -21
-1f = -21

Divide each side by '-1'.
f = 21

Simplifying
f = 21

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