👤

Ajutati-ma va rog cu ecuatia aceasta : x+71=3x+19+2x-28 Dau CORONITA

Răspuns :

X+71=3x+19+2x-28 --> X+71= 5x-9 --> X-5x= -9 -71 --> -4x= -80 --> X= -80 : (-4) --> X= 20 CORONIȚĂ?
x+71=3x+19+2x-28
x-3x-2x=19-28-71
-4x=-80
x=-80:(-4)
x=20

Baftaa!!