Question

8. A rectangular field is to be fenced. The length of the field is 16 m more than the width. If 140 m of fencing
is required, find the dimension of the field.
9. When 6 is added to a number, the result is two times the number increased by one. Find the number.
10. Subhash is three years older than his brother Suresh. Six years ago, Subhash's age was four times the age
of Suresh. Find their present ages.​

Answer 1

Answer:

9.x+6 =2x-1

x-2x=-1-6

-x = -7

- - will be cancelled

then answer x=7