3-2(n-1)=9

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Solution for 3-2(n-1)=9 equation:


Simplifying
3 + -2(n + -1) = 9

Reorder the terms:
3 + -2(-1 + n) = 9
3 + (-1 * -2 + n * -2) = 9
3 + (2 + -2n) = 9

Combine like terms: 3 + 2 = 5
5 + -2n = 9

Solving
5 + -2n = 9

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + -2n = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -2n = 9 + -5
-2n = 9 + -5

Combine like terms: 9 + -5 = 4
-2n = 4

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

Simplifying
n = -2

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