-13=8-3n

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Solution for -13=8-3n equation:


Simplifying
-13 = 8 + -3n

Solving
-13 = 8 + -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.
-13 + 3n = 8 + -3n + 3n

Combine like terms: -3n + 3n = 0
-13 + 3n = 8 + 0
-13 + 3n = 8

Add '13' to each side of the equation.
-13 + 13 + 3n = 8 + 13

Combine like terms: -13 + 13 = 0
0 + 3n = 8 + 13
3n = 8 + 13

Combine like terms: 8 + 13 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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