4+7f=81

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Solution for 4+7f=81 equation: 


Simplifying
4 + 7f = 81

Solving
4 + 7f = 81

Solving for variable 'f'.

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

Add '-4' to each side of the equation.
4 + -4 + 7f = 81 + -4

Combine like terms: 4 + -4 = 0
0 + 7f = 81 + -4
7f = 81 + -4

Combine like terms: 81 + -4 = 77
7f = 77

Divide each side by '7'.
f = 11

Simplifying
f = 11

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