Question

afla valorile lui a,b,c,d,din egalitatile : a=50+b; b=c-20;c=4+d; d+6=26

Answer 1

d + 6 = 26
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