Question

Помогите... Я не понимаю.

Answer 1

8/9 х + 1/3 = 1

8х + 3 = 9

8х = 9-3

8х=6

х= 3/4.

Answer 2

$\frac{8}{9}x+\frac{1}{3}=1,\\\frac{8}{9}x=1-\frac{1}{3},\\\frac{8}{9}x=\frac{3-1}{3},\\\frac{8}{9}x=\frac{2}{3},\\x=\frac{2}{3}:\frac{8}{9},\\x=\frac{2*9}{3*8}= \frac{3}{4}.$