Question

when 6iis added to a certain no. ,15is obtained .find out the no.​

Answer 1

Answer:

answer is 9 .............

mark as brilliant

Answer 2

Answer:

let the number to which 6 is added be = X

th sum  = 15

therefore, the equation formed will be :

X+6 = 15

X=15-6 ( By transposing 6 to R.H.S)

X=9

therefore, the no. is 9