3(n-4)=-15

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Solution for 3(n-4)=-15 equation: 


Simplifying
3(n + -4) = -15

Reorder the terms:
3(-4 + n) = -15
(-4 * 3 + n * 3) = -15
(-12 + 3n) = -15

Solving
-12 + 3n = -15

Solving for variable 'n'.

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

Add '12' to each side of the equation.
-12 + 12 + 3n = -15 + 12

Combine like terms: -12 + 12 = 0
0 + 3n = -15 + 12
3n = -15 + 12

Combine like terms: -15 + 12 = -3
3n = -3

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

Simplifying
n = -1

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