3f-7=8

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Solution for 3f-7=8 equation: 


Simplifying
3f + -7 = 8

Reorder the terms:
-7 + 3f = 8

Solving
-7 + 3f = 8

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 + 3f = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 3f = 8 + 7
3f = 8 + 7

Combine like terms: 8 + 7 = 15
3f = 15

Divide each side by '3'.
f = 5

Simplifying
f = 5

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