31=8n+7

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Solution for 31=8n+7 equation:


Simplifying
31 = 8n + 7

Reorder the terms:
31 = 7 + 8n

Solving
31 = 7 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
31 + -8n = 7 + 8n + -8n

Combine like terms: 8n + -8n = 0
31 + -8n = 7 + 0
31 + -8n = 7

Add '-31' to each side of the equation.
31 + -31 + -8n = 7 + -31

Combine like terms: 31 + -31 = 0
0 + -8n = 7 + -31
-8n = 7 + -31

Combine like terms: 7 + -31 = -24
-8n = -24

Divide each side by '-8'.
n = 3

Simplifying
n = 3

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