-2(n+9)=-2(1-3n)

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Solution for -2(n+9)=-2(1-3n) equation:


Simplifying
-2(n + 9) = -2(1 + -3n)

Reorder the terms:
-2(9 + n) = -2(1 + -3n)
(9 * -2 + n * -2) = -2(1 + -3n)
(-18 + -2n) = -2(1 + -3n)
-18 + -2n = (1 * -2 + -3n * -2)
-18 + -2n = (-2 + 6n)

Solving
-18 + -2n = -2 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-18 + -2n + -6n = -2 + 6n + -6n

Combine like terms: -2n + -6n = -8n
-18 + -8n = -2 + 6n + -6n

Combine like terms: 6n + -6n = 0
-18 + -8n = -2 + 0
-18 + -8n = -2

Add '18' to each side of the equation.
-18 + 18 + -8n = -2 + 18

Combine like terms: -18 + 18 = 0
0 + -8n = -2 + 18
-8n = -2 + 18

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

Divide each side by '-8'.
n = -2

Simplifying
n = -2

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