3(4-n)=-n

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


Simplifying
3(4 + -1n) = -1n
(4 * 3 + -1n * 3) = -1n
(12 + -3n) = -1n

Solving
12 + -3n = -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
12 + -3n + n = -1n + n

Combine like terms: -3n + n = -2n
12 + -2n = -1n + n

Combine like terms: -1n + n = 0
12 + -2n = 0

Add '-12' to each side of the equation.
12 + -12 + -2n = 0 + -12

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

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

Divide each side by '-2'.
n = 6

Simplifying
n = 6

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