8n-9(n-2)=15

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Solution for 8n-9(n-2)=15 equation:


Simplifying
8n + -9(n + -2) = 15

Reorder the terms:
8n + -9(-2 + n) = 15
8n + (-2 * -9 + n * -9) = 15
8n + (18 + -9n) = 15

Reorder the terms:
18 + 8n + -9n = 15

Combine like terms: 8n + -9n = -1n
18 + -1n = 15

Solving
18 + -1n = 15

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + -1n = 15 + -18

Combine like terms: 18 + -18 = 0
0 + -1n = 15 + -18
-1n = 15 + -18

Combine like terms: 15 + -18 = -3
-1n = -3

Divide each side by '-1'.
n = 3

Simplifying
n = 3

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