Răspuns:
x=7
Explicație pas cu pas:
{[(x-8)•7+6-5]-4}•3-2=10
{[(x-8)•7+6-5]-4}•3=10+2
{[(x-8)•7+6-5]-4}•3=12
[(x-8)•7+6-5]-4=12:3
[(x-8)•7+6-5]-4=4
(x-8)•7+6-5=4+4
(x-8)•7+6-5=8
(x-8)•7+6=8+5
(x-8)•7+6=13
(x-6)•7=13-6
(x-6)•7=7
x-6=7:7
x-6=1
x=1+6
x=7