Question

suma nr a si b este 129 ,iar diferenta lor este 41 .afla valoarea fiecarui nr .

Answer 1

a+b=129
a-b=41
a=129-b
129-b-b=41
129-2b=41
2b=129-41
2b=88
b=88:2
b=44
a+44=129
a=129-44
a=85
VERIFICARE:
85-44=41

Answer 2

a+b=129
a-b=41-->a=41+b
41+b+b=129
41+2b=129
2b=88
b=44
a=41+b
a=41+44
a=85