7+9f-f=71

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Solution for 7+9f-f=71 equation:


Simplifying
7 + 9f + -1f = 71

Combine like terms: 9f + -1f = 8f
7 + 8f = 71

Solving
7 + 8f = 71

Solving for variable 'f'.

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

Add '-7' to each side of the equation.
7 + -7 + 8f = 71 + -7

Combine like terms: 7 + -7 = 0
0 + 8f = 71 + -7
8f = 71 + -7

Combine like terms: 71 + -7 = 64
8f = 64

Divide each side by '8'.
f = 8

Simplifying
f = 8

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