Himpunan penyelesaian dari persamaan |2x+3|=-1​

PENYELESAIAN

I2x + 3I = -1

2x = -1 – 3

2x = -4

x = -4/2

x = -2

I2x + 3I = 1

2x = 1 – 3

2x = -2

x = -2/2

x = -1

Maka,Hp = {x = -2 Atau x = -1}