Question

Помогите решить уравнение : ((2 4/7 - 1 2/3)+5/21)*x=8

Answer 1

( ( 2 4/7 - 1 2/3 ) + 5/21 ) • Х = 8
( ( 2 12/21 - 1 14/21 ) + 5/21 ) • Х = 8
( ( 1 33/21 - 1 14/21 ) + 5/21 ) • Х = 8
( 19/21 + 5/21 ) • Х = 8
Х = 8 : ( 24/21 )
Х = 168/24
Х = 7
Ответ 7