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+6=26
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=4+20=24, b=24-20=4, a=50+4=54