12=-4(n-1)

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Solution for 12=-4(n-1) equation:


Simplifying
12 = -4(n + -1)

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

Solving
12 = 4 + -4n

Solving for variable 'n'.

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

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

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

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

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

Combine like terms: 4 + -12 = -8
4n = -8

Divide each side by '4'.
n = -2

Simplifying
n = -2

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