n+3+2n-9=n+8

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Solution for n+3+2n-9=n+8 equation:


Simplifying
n + 3 + 2n + -9 = n + 8

Reorder the terms:
3 + -9 + n + 2n = n + 8

Combine like terms: 3 + -9 = -6
-6 + n + 2n = n + 8

Combine like terms: n + 2n = 3n
-6 + 3n = n + 8

Reorder the terms:
-6 + 3n = 8 + n

Solving
-6 + 3n = 8 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-6 + 3n + -1n = 8 + n + -1n

Combine like terms: 3n + -1n = 2n
-6 + 2n = 8 + n + -1n

Combine like terms: n + -1n = 0
-6 + 2n = 8 + 0
-6 + 2n = 8

Add '6' to each side of the equation.
-6 + 6 + 2n = 8 + 6

Combine like terms: -6 + 6 = 0
0 + 2n = 8 + 6
2n = 8 + 6

Combine like terms: 8 + 6 = 14
2n = 14

Divide each side by '2'.
n = 7

Simplifying
n = 7

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