17-(-f)=91

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Solution for 17-(-f)=91 equation:


Simplifying
17 + -1(-1f) = 91

Remove parenthesis around (-1f)
17 + -1 * -1f = 91

Multiply -1 * -1
17 + 1f = 91

Solving
17 + 1f = 91

Solving for variable 'f'.

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

Add '-17' to each side of the equation.
17 + -17 + 1f = 91 + -17

Combine like terms: 17 + -17 = 0
0 + 1f = 91 + -17
1f = 91 + -17

Combine like terms: 91 + -17 = 74
1f = 74

Divide each side by '1'.
f = 74

Simplifying
f = 74

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