-2(2n+1)=12

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Solution for -2(2n+1)=12 equation: 


Simplifying
-2(2n + 1) = 12

Reorder the terms:
-2(1 + 2n) = 12
(1 * -2 + 2n * -2) = 12
(-2 + -4n) = 12

Solving
-2 + -4n = 12

Solving for variable 'n'.

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

Add '2' to each side of the equation.
-2 + 2 + -4n = 12 + 2

Combine like terms: -2 + 2 = 0
0 + -4n = 12 + 2
-4n = 12 + 2

Combine like terms: 12 + 2 = 14
-4n = 14

Divide each side by '-4'.
n = -3.5

Simplifying
n = -3.5

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