-3(4+5n)=108

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Solution for -3(4+5n)=108 equation: 


Simplifying
-3(4 + 5n) = 108
(4 * -3 + 5n * -3) = 108
(-12 + -15n) = 108

Solving
-12 + -15n = 108

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 + -15n = 108 + 12

Combine like terms: -12 + 12 = 0
0 + -15n = 108 + 12
-15n = 108 + 12

Combine like terms: 108 + 12 = 120
-15n = 120

Divide each side by '-15'.
n = -8

Simplifying
n = -8

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