5(n+3)-2n=-21

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


Simplifying
5(n + 3) + -2n = -21

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

Combine like terms: 5n + -2n = 3n
15 + 3n = -21

Solving
15 + 3n = -21

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 + 3n = -21 + -15

Combine like terms: 15 + -15 = 0
0 + 3n = -21 + -15
3n = -21 + -15

Combine like terms: -21 + -15 = -36
3n = -36

Divide each side by '3'.
n = -12

Simplifying
n = -12

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