Ι 5-2x Ι=11 ... cara kerjanya !! 2.Ι 4X+3 Ι=7

Trima kasihhhh ^^ hehehhee......

1. 5 - 2X = -11
-2x = -11 -5
-2X = -16
X = -16 : -2 jadi 1 {8,-3}
X = 8



2. 4X +3 = -7
4X = -7 -3
4X = -10 jadi 2 {1, -2.5}
X = -2.5