3(n+3)+11=9-2n

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Solution for 3(n+3)+11=9-2n equation:


Simplifying
3(n + 3) + 11 = 9 + -2n

Reorder the terms:
3(3 + n) + 11 = 9 + -2n
(3 * 3 + n * 3) + 11 = 9 + -2n
(9 + 3n) + 11 = 9 + -2n

Reorder the terms:
9 + 11 + 3n = 9 + -2n

Combine like terms: 9 + 11 = 20
20 + 3n = 9 + -2n

Solving
20 + 3n = 9 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
20 + 3n + 2n = 9 + -2n + 2n

Combine like terms: 3n + 2n = 5n
20 + 5n = 9 + -2n + 2n

Combine like terms: -2n + 2n = 0
20 + 5n = 9 + 0
20 + 5n = 9

Add '-20' to each side of the equation.
20 + -20 + 5n = 9 + -20

Combine like terms: 20 + -20 = 0
0 + 5n = 9 + -20
5n = 9 + -20

Combine like terms: 9 + -20 = -11
5n = -11

Divide each side by '5'.
n = -2.2

Simplifying
n = -2.2

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