Question

1+{2-[3+(x-4):5]:6}•7=8

Answer 1

= {2-[3+(x-4):5]:6}•7=8-1
= {2-[3+(x-4):5]:6}•7=7
= 2-[3+(x-4):5]:6= 7:7
= 2-[3+(x-4):5]:6=1
= [3+(x-4):5]:6=2-1
= [3+(x-4):5]:6=1
= 3+(x-4):5= 1•6
= 3+(x-4):5= 6
=(x-4):5=6-3
=(x-4):5=3
=x-4=3•5
=x-4=15
X= 15+4
X= 19
Sper ca te-am ajutat !