Question

Найдите корень уравнения (х+8/9)*2- 13/18=1 5/6

Answer 1

( x + 8/9 ) * 2 - 13/18 = 1 5/6
( x + 8/9 ) * 2 = 1 15/18 + 13/18
х + 8/9 = 1 28/18 : 2
x + 8/9 = 2 10/18 : 2
x + 8/9 = 2 5/9 : 2
x + 8/9 = 23/9 : 2
х + 8/9 = 23/18
х = 23/18 - 16/18
х = 7/18