Question

When 8 is added to a certain number and the sum is multiplied by 3 the result is 57 find the number​

Answer 1

Let the number be x,

ATQ,

3(8+x)=57

8+x=57/3

x= (57/3)-8

=57/3 - 24/3

= 33/3= 11

Answer 2

11

Explanation:

Let the number=x

(x+8)*3=57

3x+24=57

3x=33

x=11