3(n-15)=9

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


Simplifying
3(n + -15) = 9

Reorder the terms:
3(-15 + n) = 9
(-15 * 3 + n * 3) = 9
(-45 + 3n) = 9

Solving
-45 + 3n = 9

Solving for variable 'n'.

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

Add '45' to each side of the equation.
-45 + 45 + 3n = 9 + 45

Combine like terms: -45 + 45 = 0
0 + 3n = 9 + 45
3n = 9 + 45

Combine like terms: 9 + 45 = 54
3n = 54

Divide each side by '3'.
n = 18

Simplifying
n = 18

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