Respuesta :

Answer:

-1 4/9

Step-by-step explanation:

Answer:

X = 53/3

Step-by-step explanation:

8/9 = x+1 / 3(7)

Switch Sides :

x+1 /3(7)

Multiply both sides by 21:

21(x+1)/3*7 = 8*21 / 9

Simplify :

21(x+1)/3*7 = 8*21 / 9

21 (x+1)/3*7 : x + 1

8*21 : 56/3

x+1 = 56/3

Subtract 1 from both sides :

x+1-1 = 56/3 - 1

56/3 -1 : 53 /3

x = 53 / 3

Hope it helps :) !!!