7f-8=78

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Solution for 7f-8=78 equation: 


Simplifying
7f + -8 = 78

Reorder the terms:
-8 + 7f = 78

Solving
-8 + 7f = 78

Solving for variable 'f'.

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

Add '8' to each side of the equation.
-8 + 8 + 7f = 78 + 8

Combine like terms: -8 + 8 = 0
0 + 7f = 78 + 8
7f = 78 + 8

Combine like terms: 78 + 8 = 86
7f = 86

Divide each side by '7'.
f = 12.28571429

Simplifying
f = 12.28571429

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