Question

а) 2(х-1)<4 и б) 3(2х-1)>12

Answer 1

a) 2(х-1)<4
2x-2<4
2x<4+2
2x<6
x<3

б)3(2х-1)>12
6х-3>12
6х>12+3
6х>15
х>15/6
х>5/2