2x+x-3=6

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Solution for 2x+x-3=6 equation: 


Simplifying
2x + x + -3 = 6

Reorder the terms:
-3 + 2x + x = 6

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

Solving
-3 + 3x = 6

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 = 6 + 3

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

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

Divide each side by '3'.
x = 3

Simplifying
x = 3

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