Question

By adding 7to twice a number,we obtain 49. Find the number.​

Answer 1

Answer:

21

Step-by-step explanation:

let the number be x

according to the question,

7+2x=49

2x=49-7

2x=42

x=42/2

x=21

Answer 2

Answer:

21 is the answer

Step-by-step explanation:

let the no. be x

then,

7+2x=49

2x=49-7

x=42/2

x=21

hope it helps..........