2-3x+9x=20

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Solution for 2-3x+9x=20 equation: 


Simplifying
2 + -3x + 9x = 20

Combine like terms: -3x + 9x = 6x
2 + 6x = 20

Solving
2 + 6x = 20

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 6x = 20 + -2

Combine like terms: 2 + -2 = 0
0 + 6x = 20 + -2
6x = 20 + -2

Combine like terms: 20 + -2 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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