Respuesta :

fatemehkorea

Answer:

k = 11

Step-by-step explanation:

k/90 - 1/9 = 1/90

k/90 = 1/90 + 1/9

k/90 = 1 + 10/90

k/90 = 11/90

k = 11/90 / 90

k = 11/90 * 90

k = 11

Stefanisaska

Answer: 11

Step-by-step explanation:

k/90-1/9=1/90

Multiply left and right side of equation with 90 . You get:

k-10=1

k=10+1

k=11

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