91=7f

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Solution for 91=7f equation:


Simplifying
91 = 7f

Solving
91 = 7f

Solving for variable 'f'.

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

Add '-7f' to each side of the equation.
91 + -7f = 7f + -7f

Combine like terms: 7f + -7f = 0
91 + -7f = 0

Add '-91' to each side of the equation.
91 + -91 + -7f = 0 + -91

Combine like terms: 91 + -91 = 0
0 + -7f = 0 + -91
-7f = 0 + -91

Combine like terms: 0 + -91 = -91
-7f = -91

Divide each side by '-7'.
f = 13

Simplifying
f = 13

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