Question

qual o conjunto verdade da equaçao 3x+1/2=x-1

Answer 1

3x + 1/2 = x - 1
MMC =2
3x/1/2 + 1/2/2 = x/1/2 - 1/1/2
5x + 2 = 2x - 2
5x - 2x = - 2 - 2
3x = - 4
x = - 4/3