Question

if we add 2 twice number we get 42.find the

Answer 1

the number is x
according to question....
2+2x= 42
2x=42-2
2x=40
x=40/2
x= 20

Answer 2

Let the number which is twice be 2x

ATQ,

2x + 2 = 42

2x = 42 - 2

2x = 40

x = $\frac{40}{2}$

x = 20


Number is 20