Question

cat e |4x-15|=1 sa imi zina cineva repede
dau coroana​

Answer 1

4x-15=+-1

4x-15=1

4x=1+15

4x=16

x=4

4x-15=-1

4x=-1+15

4x=14

x= 14/4

x= 7/2

S={7/2;4}