Question

Rezolvati a+b=84 a:b=3rest4

Answer 1

a+b=84
a:b=3rest4 =>b=a×3+4
a,b=? b=3a+4
a+3a+4=84
4a=84-4
4a=80
a=80:4
a=20
b=3×20+4
b=60+4
b=64
Sper ca te-am ajutat!

Answer 2

a:b=3 rest 4 →a=b×3+4
b×3+4+b=84
b×4=84-4
b×4=80
b=80:
b=20
a=20×3+4
a=64
v: 64+20=84