-3(3n+6)+2=-21-8n

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Solution for -3(3n+6)+2=-21-8n equation:


Simplifying
-3(3n + 6) + 2 = -21 + -8n

Reorder the terms:
-3(6 + 3n) + 2 = -21 + -8n
(6 * -3 + 3n * -3) + 2 = -21 + -8n
(-18 + -9n) + 2 = -21 + -8n

Reorder the terms:
-18 + 2 + -9n = -21 + -8n

Combine like terms: -18 + 2 = -16
-16 + -9n = -21 + -8n

Solving
-16 + -9n = -21 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-16 + -9n + 8n = -21 + -8n + 8n

Combine like terms: -9n + 8n = -1n
-16 + -1n = -21 + -8n + 8n

Combine like terms: -8n + 8n = 0
-16 + -1n = -21 + 0
-16 + -1n = -21

Add '16' to each side of the equation.
-16 + 16 + -1n = -21 + 16

Combine like terms: -16 + 16 = 0
0 + -1n = -21 + 16
-1n = -21 + 16

Combine like terms: -21 + 16 = -5
-1n = -5

Divide each side by '-1'.
n = 5

Simplifying
n = 5

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