3n+1+2n-5=31

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Solution for 3n+1+2n-5=31 equation:


Simplifying
3n + 1 + 2n + -5 = 31

Reorder the terms:
1 + -5 + 3n + 2n = 31

Combine like terms: 1 + -5 = -4
-4 + 3n + 2n = 31

Combine like terms: 3n + 2n = 5n
-4 + 5n = 31

Solving
-4 + 5n = 31

Solving for variable 'n'.

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

Add '4' to each side of the equation.
-4 + 4 + 5n = 31 + 4

Combine like terms: -4 + 4 = 0
0 + 5n = 31 + 4
5n = 31 + 4

Combine like terms: 31 + 4 = 35
5n = 35

Divide each side by '5'.
n = 7

Simplifying
n = 7

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