Question

a+b+c+d=12425 d=1397 b=a:3 c=(a+b) a=?b=?c=?d=?

Answer 1

a + b + c +d = 12425
a + b + c = 12425 -1397 =11028
b = a : 3 sau a = 3 * b
c = (a+ b) = 3* b +b = 4* b
inlocuim in a doua ecuatie
3 * b+b +4 * b =11028
8 * b = 11028
b = 11028 : 8
b = 1378 ,5
a = 1378 ,5 * 3
a = 4135 , 5
c = 4 * 1378 , 5
c = 5514