Question

Kashyap is 21 years old and kinshuk is 15 years younger than kashyap.after how many years will kashyap be twice as old as kinshuk(linear equation i one variable) grade8

Answer 1

Answer:

After 9 years. Because after nine years, age of Kashyap will be 30 and that of Kinshuk will be 15. So, Kashyap's age will be twice the age of Kinshuk.

Answer 2

Answer:

here your answer

Step-by-step explanation:

Here

kashyap age is 21 year's

and

kinshuk age 21-15=6 years

let after x years will kashyap be twice

old as kinshuk.

According to question

x+21=2(x+6)

x+21=2x+12

2x-x=21-12

x=9

therefore after 9 years Kashyap is twice

old as kinshuk.