-3(3+5n)=81

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Solution for -3(3+5n)=81 equation: 


Simplifying
-3(3 + 5n) = 81
(3 * -3 + 5n * -3) = 81
(-9 + -15n) = 81

Solving
-9 + -15n = 81

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + -15n = 81 + 9

Combine like terms: -9 + 9 = 0
0 + -15n = 81 + 9
-15n = 81 + 9

Combine like terms: 81 + 9 = 90
-15n = 90

Divide each side by '-15'.
n = -6

Simplifying
n = -6

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