Question

800:paranteza mare 425-13x(48:4)-(89+ax4)inchizi paranteza mare=10 va rog ajutatima urgenta!!

Answer 1

800:[425-13x(48:4)-(89+ax4)]=10
425-13x12-89-ax4=800:10
336-156-ax4=80
180-ax4=80
ax4=180-80
ax4=100
a=100:4
a=25

Answer 2

800:[425-13x(48:4)-(89+ax4)]=10
800:[425-13x12-(89+ax4)]=10
425-146-(89+a×4)=800:10
279-(89+ax4)=80
89+a×4=279-80
89+a×4=199
a×4=199-89
a×4=110
a=110:4
a=27,5