1-8n+3n=21

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Solution for 1-8n+3n=21 equation: 


Simplifying
1 + -8n + 3n = 21

Combine like terms: -8n + 3n = -5n
1 + -5n = 21

Solving
1 + -5n = 21

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + -5n = 21 + -1

Combine like terms: 1 + -1 = 0
0 + -5n = 21 + -1
-5n = 21 + -1

Combine like terms: 21 + -1 = 20
-5n = 20

Divide each side by '-5'.
n = -4

Simplifying
n = -4

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