am nevoie de ajutoooor plssss

Răspuns:
a) X+500=5000 <=> x=4500g
b) X+350+350= 1000+2000 <=>X=2700g
c) X+1000=1000+1000+200 <=> X=1200g
d) X+150=500+200+300 <=> X=850g
Explicație pas cu pas: