3(n+5)+2=21

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Solution for 3(n+5)+2=21 equation:


Simplifying
3(n + 5) + 2 = 21

Reorder the terms:
3(5 + n) + 2 = 21
(5 * 3 + n * 3) + 2 = 21
(15 + 3n) + 2 = 21

Reorder the terms:
15 + 2 + 3n = 21

Combine like terms: 15 + 2 = 17
17 + 3n = 21

Solving
17 + 3n = 21

Solving for variable 'n'.

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

Add '-17' to each side of the equation.
17 + -17 + 3n = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 3n = 21 + -17
3n = 21 + -17

Combine like terms: 21 + -17 = 4
3n = 4

Divide each side by '3'.
n = 1.333333333

Simplifying
n = 1.333333333

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