3-2(n-9)=9

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


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

Reorder the terms:
3 + -2(-9 + n) = 9
3 + (-9 * -2 + n * -2) = 9
3 + (18 + -2n) = 9

Combine like terms: 3 + 18 = 21
21 + -2n = 9

Solving
21 + -2n = 9

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + -2n = 9 + -21

Combine like terms: 21 + -21 = 0
0 + -2n = 9 + -21
-2n = 9 + -21

Combine like terms: 9 + -21 = -12
-2n = -12

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

Simplifying
n = 6

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