8n+7-5n=31

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Solution for 8n+7-5n=31 equation:


Simplifying
8n + 7 + -5n = 31

Reorder the terms:
7 + 8n + -5n = 31

Combine like terms: 8n + -5n = 3n
7 + 3n = 31

Solving
7 + 3n = 31

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 3n = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 3n = 31 + -7
3n = 31 + -7

Combine like terms: 31 + -7 = 24
3n = 24

Divide each side by '3'.
n = 8

Simplifying
n = 8

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