Question

resolva as equações:x-2/3+2x=5x/2

Answer 1

x - 2    +  2x   =   5x
--------                 ------
   3                        2

2.(x - 2) + 6.2x    =    3.5x
---------------------       ---------
        6                          6

2x - 4 + 12x = 15x
14x - 4 = 15x
- 4 = 15x - 14x
- 4 = x
x = - 4