1+2+3X=9

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Solution for 1+2+3X=9 equation: 


Simplifying
1 + 2 + 3X = 9

Combine like terms: 1 + 2 = 3
3 + 3X = 9

Solving
3 + 3X = 9

Solving for variable 'X'.

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

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

Combine like terms: 3 + -3 = 0
0 + 3X = 9 + -3
3X = 9 + -3

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

Divide each side by '3'.
X = 2

Simplifying
X = 2

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