2n-9=8n+15

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Solution for 2n-9=8n+15 equation:


Simplifying
2n + -9 = 8n + 15

Reorder the terms:
-9 + 2n = 8n + 15

Reorder the terms:
-9 + 2n = 15 + 8n

Solving
-9 + 2n = 15 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
-9 + 2n + -8n = 15 + 8n + -8n

Combine like terms: 2n + -8n = -6n
-9 + -6n = 15 + 8n + -8n

Combine like terms: 8n + -8n = 0
-9 + -6n = 15 + 0
-9 + -6n = 15

Add '9' to each side of the equation.
-9 + 9 + -6n = 15 + 9

Combine like terms: -9 + 9 = 0
0 + -6n = 15 + 9
-6n = 15 + 9

Combine like terms: 15 + 9 = 24
-6n = 24

Divide each side by '-6'.
n = -4

Simplifying
n = -4

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