2(x-1)+x=4

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Solution for 2(x-1)+x=4 equation: 


Simplifying
2(x + -1) + x = 4

Reorder the terms:
2(-1 + x) + x = 4
(-1 * 2 + x * 2) + x = 4
(-2 + 2x) + x = 4

Combine like terms: 2x + x = 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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