Question

after 3 years david age will be twice Nelson's age if david and Nelson present age are x years and y years represent given situation with help of equation​

Answer 1

Answer:

Nelson's age=x

David's age =y

after 3 years Nelson's age=x+3

and David's age is double of Nelson's age

so the equation is:

y = 2(x+3)

y = 2x+6