2x + (x-1/3) = (5x+3/3)
2x +x -1/3 = 5x + 3/3
2x +x -5x -1/3 +1/3= 5x -5x + 3/3 +1/3
- 2x = 4/3
- 2x : 2 = 4/3 : 2
-x = 4/3 *1/2
-x = 2/3
x = - 2/3
[tex]2x+\dfrac{x-1}{3}=\dfrac{5x+3}{3}\ \ \ \ |\cdot3\\\\6x+(x-1)=(5x+3)\\\\7x-1=5x+3\ \ \ \ |+1\\\\7x=5x+4\ \ \ \ |-5x\\\\2x=4\ \ \ \ |:2\\\\\boxed{x=2}[/tex]
