7n-n-31=83

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Solution for 7n-n-31=83 equation:


Simplifying
7n + -1n + -31 = 83

Reorder the terms:
-31 + 7n + -1n = 83

Combine like terms: 7n + -1n = 6n
-31 + 6n = 83

Solving
-31 + 6n = 83

Solving for variable 'n'.

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

Add '31' to each side of the equation.
-31 + 31 + 6n = 83 + 31

Combine like terms: -31 + 31 = 0
0 + 6n = 83 + 31
6n = 83 + 31

Combine like terms: 83 + 31 = 114
6n = 114

Divide each side by '6'.
n = 19

Simplifying
n = 19

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