Question

if we add 7 to twice a number, we get 49 find yhe number

Answer 1

7 + 2x = 49
x = 7/ 2 this is answer

Answer 2

LET the no. be x

therefore, acc. to condition

2x+7=49

so,2x=49-7

so,x=42/2

     =21

therefore x=21