Question

a=13, a*b+a= -182, b=? URGEENT VA ROOG! Dau 20p.

Answer 1

a•b+a= -182

a=13

13•b+13=-182 |-13

13•b= -195 |:13

b= -15

Answer 2

Răspuns:

b=-15

Explicație pas cu pas:

a*b+a=-182

a(b+1)=-182

13(b+1)=-182

b+1=-182:13

b+1=-14

b=-14-1

b=-15