2x+(x-1)=4

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


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

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

Remove parenthesis around (-1 + x)
2x + -1 + x = 4

Reorder the terms:
-1 + 2x + x = 4

Combine like terms: 2x + x = 3x
-1 + 3x = 4

Solving
-1 + 3x = 4

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 3x = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 4 + 1
3x = 4 + 1

Combine like terms: 4 + 1 = 5
3x = 5

Divide each side by '3'.
x = 1.666666667

Simplifying
x = 1.666666667

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