(99-b-3×8)+2×6:2=8×2+5×10

Răspuns :

(99-b-3×8)+2×6:2=8×2+5×10(99-b-24) + 2x3 = 16 + 50
(99-b-24) + 6 = 66
99-b-24 = 66-6
99-b-24 = 60
99-b = 60+24
99-b = 84
b = 99-84
b = 15