5n+15-3n+21=-6

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Solution for 5n+15-3n+21=-6 equation:


Simplifying
5n + 15 + -3n + 21 = -6

Reorder the terms:
15 + 21 + 5n + -3n = -6

Combine like terms: 15 + 21 = 36
36 + 5n + -3n = -6

Combine like terms: 5n + -3n = 2n
36 + 2n = -6

Solving
36 + 2n = -6

Solving for variable 'n'.

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

Add '-36' to each side of the equation.
36 + -36 + 2n = -6 + -36

Combine like terms: 36 + -36 = 0
0 + 2n = -6 + -36
2n = -6 + -36

Combine like terms: -6 + -36 = -42
2n = -42

Divide each side by '2'.
n = -21

Simplifying
n = -21

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