Question

I want solution of Solve the problems

Answer 1

Answer:

k - 7 = 2

Step-by-step explanation:

7 subtracted from k we get 2​

7 and k are constants

2 is Difference

k - 7 = 2  [Transpose 7 to RHS]

k = 7 + 2

k = 9

Answer 2

10 years

Step-by-step explanation:

Let Suresh present age be X.

After 20 years Suresh age = X+20

X+20=3(X)

X+20=3X

20=3X - X

20= 2X

20÷2=X

10=X