8n-9(n+3)=15

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Solution for 8n-9(n+3)=15 equation:


Simplifying
8n + -9(n + 3) = 15

Reorder the terms:
8n + -9(3 + n) = 15
8n + (3 * -9 + n * -9) = 15
8n + (-27 + -9n) = 15

Reorder the terms:
-27 + 8n + -9n = 15

Combine like terms: 8n + -9n = -1n
-27 + -1n = 15

Solving
-27 + -1n = 15

Solving for variable 'n'.

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

Add '27' to each side of the equation.
-27 + 27 + -1n = 15 + 27

Combine like terms: -27 + 27 = 0
0 + -1n = 15 + 27
-1n = 15 + 27

Combine like terms: 15 + 27 = 42
-1n = 42

Divide each side by '-1'.
n = -42

Simplifying
n = -42

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