Question

4,5/4-5x=1/7
розписано

Answer 1

4 5/4 -5х=1/7
5 1/4-5х=1/7
5х=5 1/4 - 1/7
5х= 4 7/7 - 1/7
5х=4 6/7
х = 4 6/7:5
х= 32/7 ×1/5
х=34/35