-3f-8=31

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Solution for -3f-8=31 equation:


Simplifying
-3f + -8 = 31

Reorder the terms:
-8 + -3f = 31

Solving
-8 + -3f = 31

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 + -3f = 31 + 8

Combine like terms: -8 + 8 = 0
0 + -3f = 31 + 8
-3f = 31 + 8

Combine like terms: 31 + 8 = 39
-3f = 39

Divide each side by '-3'.
f = -13

Simplifying
f = -13

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