3n-9=2n+8

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


Simplifying
3n + -9 = 2n + 8

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

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

Solving
-9 + 3n = 8 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-9 + 3n + -2n = 8 + 2n + -2n

Combine like terms: 3n + -2n = 1n
-9 + 1n = 8 + 2n + -2n

Combine like terms: 2n + -2n = 0
-9 + 1n = 8 + 0
-9 + 1n = 8

Add '9' to each side of the equation.
-9 + 9 + 1n = 8 + 9

Combine like terms: -9 + 9 = 0
0 + 1n = 8 + 9
1n = 8 + 9

Combine like terms: 8 + 9 = 17
1n = 17

Divide each side by '1'.
n = 17

Simplifying
n = 17

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