Question

Afla valorile lui a b c si d din egalitatile.a=50+b; b=c-20; c=4+d; d+6=26

Answer 1

D = 26-6
D = 20

C=4+D
C=4+20
C=24

B=C-20
B=24-20
B=4

A=50+B
A=50+4
A=54

Answer 2

d=26-6=20. C=20-4=16 B=20+16=36 A=50+36=86