Question

2 1/2:(1/2х+5/12)-1 5/6=2/3

Answer 1

2 1/2:(1/2х+5/12)-1 5/6=2/3
2 12:(12х+512)=23+1 56
2 12:(12х+512)=46+1 56
2 12:(12х+512)=1 96
2 12:(12х+512)=2 12
12х+512=2 12:2 12
12х+512=1
12х=1-512
12х=1212-512
12х=712
х=712:12
х=712*21
х=76
х=1 16