-3(5+3n)-3(n-4)=-39

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Solution for -3(5+3n)-3(n-4)=-39 equation: 


Simplifying
-3(5 + 3n) + -3(n + -4) = -39
(5 * -3 + 3n * -3) + -3(n + -4) = -39
(-15 + -9n) + -3(n + -4) = -39

Reorder the terms:
-15 + -9n + -3(-4 + n) = -39
-15 + -9n + (-4 * -3 + n * -3) = -39
-15 + -9n + (12 + -3n) = -39

Reorder the terms:
-15 + 12 + -9n + -3n = -39

Combine like terms: -15 + 12 = -3
-3 + -9n + -3n = -39

Combine like terms: -9n + -3n = -12n
-3 + -12n = -39

Solving
-3 + -12n = -39

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + -12n = -39 + 3

Combine like terms: -3 + 3 = 0
0 + -12n = -39 + 3
-12n = -39 + 3

Combine like terms: -39 + 3 = -36
-12n = -36

Divide each side by '-12'.
n = 3

Simplifying
n = 3

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