X+2X-2=4

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Solution for X+2X-2=4 equation: 


Simplifying
X + 2X + -2 = 4

Reorder the terms:
-2 + X + 2X = 4

Combine like terms: X + 2X = 3X
-2 + 3X = 4

Solving
-2 + 3X = 4

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 + 3X = 4 + 2

Combine like terms: -2 + 2 = 0
0 + 3X = 4 + 2
3X = 4 + 2

Combine like terms: 4 + 2 = 6
3X = 6

Divide each side by '3'.
X = 2

Simplifying
X = 2

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