Question

Aflati pe a, b si c, stiind ca:
b-2c=23
b-a=24
a+a+a=16

Answer 1

a+a+a=16
3a=16 /:3
a=16:3
a=5,3(3)

b-a=24
b-5,3(3)=24 /+5,3(3)
b=24+5,3(3)
b=29,3(3)


b-2c=23
29,3(3)-2c=23 /:2
29,3(3)-c=23:2 /+29,3(3)
c=11,5+29,3(3)
c=40,8(3)