Question

18. If we add 7 to twice a number we
get 49. Find the number *
​

Answer 1

$2x + 7 = 49 \\ 2x = 49 - 7 \\ x = \frac{42}{2} \\ \frac{21}{1}$

Hope it helps u!☺

Answer 2

Answer:

let the number be x

If we add 7 to twice a number it will give 49

Therefore, 2x+7=49

2x=49-7

2x=42

x=42/2

x=21

Therefore,the Required no. is 21