AM NEVOIE NUMAI DE EX 10!! MS!

Răspuns:
rezolvare cl a 5-a
x=80
Explicație pas cu pas:
fie x numaru;
atunci
x/4-x/2=10+x/4-x/8
x/4=10+x/8
x/4-x/8=10
x/8=10
x=80
verificare
40-20=10+20-10 adevarat