1+3n+8n=-21

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


Simplifying
1 + 3n + 8n = -21

Combine like terms: 3n + 8n = 11n
1 + 11n = -21

Solving
1 + 11n = -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 + 11n = -21 + -1

Combine like terms: 1 + -1 = 0
0 + 11n = -21 + -1
11n = -21 + -1

Combine like terms: -21 + -1 = -22
11n = -22

Divide each side by '11'.
n = -2

Simplifying
n = -2

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