21=6(1-n)

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Solution for 21=6(1-n) equation:


Simplifying
21 = 6(1 + -1n)
21 = (1 * 6 + -1n * 6)
21 = (6 + -6n)

Solving
21 = 6 + -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.
21 + 6n = 6 + -6n + 6n

Combine like terms: -6n + 6n = 0
21 + 6n = 6 + 0
21 + 6n = 6

Add '-21' to each side of the equation.
21 + -21 + 6n = 6 + -21

Combine like terms: 21 + -21 = 0
0 + 6n = 6 + -21
6n = 6 + -21

Combine like terms: 6 + -21 = -15
6n = -15

Divide each side by '6'.
n = -2.5

Simplifying
n = -2.5

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