n+9=19-n

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Solution for n+9=19-n equation:


Simplifying
n + 9 = 19 + -1n

Reorder the terms:
9 + n = 19 + -1n

Solving
9 + n = 19 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
9 + n + n = 19 + -1n + n

Combine like terms: n + n = 2n
9 + 2n = 19 + -1n + n

Combine like terms: -1n + n = 0
9 + 2n = 19 + 0
9 + 2n = 19

Add '-9' to each side of the equation.
9 + -9 + 2n = 19 + -9

Combine like terms: 9 + -9 = 0
0 + 2n = 19 + -9
2n = 19 + -9

Combine like terms: 19 + -9 = 10
2n = 10

Divide each side by '2'.
n = 5

Simplifying
n = 5

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