-31+n=2+3(-7-n)

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Solution for -31+n=2+3(-7-n) equation:


Simplifying
-31 + n = 2 + 3(-7 + -1n)
-31 + n = 2 + (-7 * 3 + -1n * 3)
-31 + n = 2 + (-21 + -3n)

Combine like terms: 2 + -21 = -19
-31 + n = -19 + -3n

Solving
-31 + n = -19 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
-31 + n + 3n = -19 + -3n + 3n

Combine like terms: n + 3n = 4n
-31 + 4n = -19 + -3n + 3n

Combine like terms: -3n + 3n = 0
-31 + 4n = -19 + 0
-31 + 4n = -19

Add '31' to each side of the equation.
-31 + 31 + 4n = -19 + 31

Combine like terms: -31 + 31 = 0
0 + 4n = -19 + 31
4n = -19 + 31

Combine like terms: -19 + 31 = 12
4n = 12

Divide each side by '4'.
n = 3

Simplifying
n = 3

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