-3(5+3n)-6n=90

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Solution for -3(5+3n)-6n=90 equation:


Simplifying
-3(5 + 3n) + -6n = 90
(5 * -3 + 3n * -3) + -6n = 90
(-15 + -9n) + -6n = 90

Combine like terms: -9n + -6n = -15n
-15 + -15n = 90

Solving
-15 + -15n = 90

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + -15n = 90 + 15

Combine like terms: -15 + 15 = 0
0 + -15n = 90 + 15
-15n = 90 + 15

Combine like terms: 90 + 15 = 105
-15n = 105

Divide each side by '-15'.
n = -7

Simplifying
n = -7

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