Question

При каких x верно равенство 3/6=1/3x-7

Answer 1

1/3х - 7 = 3/6
1/3х - 7 = 1/2
1/3х = 7 1/2
х = 7 1/2 : 1/3
х = 45/2
х = 22,5

Answer 2

1/3х - 7 = 3/6
1/3х = 1/2(3/6)+7
1/3х = 7 1/2
х = 7 1/2:1/3
х = 22 1/2
х = 22,5