Question

а)2х-(х-1)=3. б)(2х-3)-(х+1)=1

Answer 1

а)2х-(х-1)=3
   2х - х + 1 = 3
   х + 1 = 3
   х = 3 - 1
   х = 2
б)(2х-3)-(х+1)=1
    2х - 3 - х - 1 = 1
    х - 4 = 1
    х = 1 + 4
    х = 5