Question

a÷b=5 rest 13. a+b=469. a=? b=?

Answer 1

a+b=469
a:b=5 rest 13 ⇒ a=5b+13
--------
a+b=469
5b+13+b=469
6b+13=469
6b=469-13
6b=456
b=456:6
b=76

a+b=469
a+76=469
a=469-76
a=393

Answer 2

a+b=469
a÷b=5 rest 13
a=?
b=?
a=5×b+13
5×b+13+b=469
6×b+13=469
6×b=469-13
6×b=456
b=76
a+76=469
a=469-76
a=393

Verificare= 393+76=469

Sper ca te-am ajutat!!!