9+2x+x=27

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Solution for 9+2x+x=27 equation: 


Simplifying
9 + 2x + x = 27

Combine like terms: 2x + x = 3x
9 + 3x = 27

Solving
9 + 3x = 27

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 27 + -9
3x = 27 + -9

Combine like terms: 27 + -9 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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