9+3+n+n=22

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Solution for 9+3+n+n=22 equation:


Simplifying
9 + 3 + n + n = 22

Combine like terms: 9 + 3 = 12
12 + n + n = 22

Combine like terms: n + n = 2n
12 + 2n = 22

Solving
12 + 2n = 22

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 2n = 22 + -12

Combine like terms: 12 + -12 = 0
0 + 2n = 22 + -12
2n = 22 + -12

Combine like terms: 22 + -12 = 10
2n = 10

Divide each side by '2'.
n = 5

Simplifying
n = 5

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