Question

rezolvati in multimea numerelor intrgi ecuatia |2x - 3| =11

Answer 1

|2x-3|=11

1. 2x-3= - 11

2x= - 11+3

2x= - 8

x= - 8:2

x= - 4

2. 2x-3=11

2x=11+3

2x=14

x=14:2

x=7

x E{-4,7}