-3(4-2n)=18

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Solution for -3(4-2n)=18 equation: 


Simplifying
-3(4 + -2n) = 18
(4 * -3 + -2n * -3) = 18
(-12 + 6n) = 18

Solving
-12 + 6n = 18

Solving for variable 'n'.

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

Add '12' to each side of the equation.
-12 + 12 + 6n = 18 + 12

Combine like terms: -12 + 12 = 0
0 + 6n = 18 + 12
6n = 18 + 12

Combine like terms: 18 + 12 = 30
6n = 30

Divide each side by '6'.
n = 5

Simplifying
n = 5

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