Question

(×+15)×10-100:5+90=100​

Answer 1

Răspuns:

Salutare!:)

(x+15)×10-100:5+90=100

(x+15)×10-20+90=100

(x+15)×10-20=100-90

(x+15)×10-20=10

(x+15)×10=10+20

(x+15)×10=30

(x+15)=30:10

x+15=3

x=3-15

x=-12

Succes!