Question

2 4\7:(0,5 х - 23\35)=7,5

Answer 1

0,5х - 23/35= 18/7 : 7,5
0,5х - 23/35 = 180/525
0,5х =180/525 + 23/35 = 180/525 + 345/525=525/525 = 1
0,5х=1
х= 1/0,5
х=2