Question

Suma a doua nr este 150,iar diferenta celor doua nr este 38.Determina cele 2 nr

Answer 1

a+b=150
a-b=38
a=38+b
38+b+b=150
2b=150-38
2b=112
b=112:2
b=56
a=150-56
a=94

Answer 2

a+b150
a-b=38
 
a=b+38;
b+38+b=150;
2b+38=150;
2b=150-38;
2b=112;
b=112:2;
b=56;

a=56+38;
a=94:

b=56,a=94;