5+6n=21-2n

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Solution for 5+6n=21-2n equation:


Simplifying
5 + 6n = 21 + -2n

Solving
5 + 6n = 21 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
5 + 6n + 2n = 21 + -2n + 2n

Combine like terms: 6n + 2n = 8n
5 + 8n = 21 + -2n + 2n

Combine like terms: -2n + 2n = 0
5 + 8n = 21 + 0
5 + 8n = 21

Add '-5' to each side of the equation.
5 + -5 + 8n = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 8n = 21 + -5
8n = 21 + -5

Combine like terms: 21 + -5 = 16
8n = 16

Divide each side by '8'.
n = 2

Simplifying
n = 2

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