-2n-18-10n+21=27

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Solution for -2n-18-10n+21=27 equation:


Simplifying
-2n + -18 + -10n + 21 = 27

Reorder the terms:
-18 + 21 + -2n + -10n = 27

Combine like terms: -18 + 21 = 3
3 + -2n + -10n = 27

Combine like terms: -2n + -10n = -12n
3 + -12n = 27

Solving
3 + -12n = 27

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -12n = 27 + -3

Combine like terms: 3 + -3 = 0
0 + -12n = 27 + -3
-12n = 27 + -3

Combine like terms: 27 + -3 = 24
-12n = 24

Divide each side by '-12'.
n = -2

Simplifying
n = -2

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