31=8c-1

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Solution for 31=8c-1 equation:


Simplifying
31 = 8c + -1

Reorder the terms:
31 = -1 + 8c

Solving
31 = -1 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
31 + -8c = -1 + 8c + -8c

Combine like terms: 8c + -8c = 0
31 + -8c = -1 + 0
31 + -8c = -1

Add '-31' to each side of the equation.
31 + -31 + -8c = -1 + -31

Combine like terms: 31 + -31 = 0
0 + -8c = -1 + -31
-8c = -1 + -31

Combine like terms: -1 + -31 = -32
-8c = -32

Divide each side by '-8'.
c = 4

Simplifying
c = 4

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