6+x+2x=9

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Solution for 6+x+2x=9 equation: 


Simplifying
6 + x + 2x = 9

Combine like terms: x + 2x = 3x
6 + 3x = 9

Solving
6 + 3x = 9

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 9 + -6
3x = 9 + -6

Combine like terms: 9 + -6 = 3
3x = 3

Divide each side by '3'.
x = 1

Simplifying
x = 1

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