Question

by adding 7 to twice a number we get 49 find the number

Answer 1

7+2x=49
2x=49-7
2x=42
x=42/2
x=21
the no. is 21

Answer 2

Let the no. be =x
By question :-
2x+(7)=49
>2x=49-7
>2x=42
>x=42/2
>x=21.

So,the no. is 21.



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