5n+8n=12+5n+2n

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Solution for 5n+8n=12+5n+2n equation:


Simplifying
5n + 8n = 12 + 5n + 2n

Combine like terms: 5n + 8n = 13n
13n = 12 + 5n + 2n

Combine like terms: 5n + 2n = 7n
13n = 12 + 7n

Solving
13n = 12 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
13n + -7n = 12 + 7n + -7n

Combine like terms: 13n + -7n = 6n
6n = 12 + 7n + -7n

Combine like terms: 7n + -7n = 0
6n = 12 + 0
6n = 12

Divide each side by '6'.
n = 2

Simplifying
n = 2

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