Question

when a certain number is added to 11 and the result is multiplied by 3, the final result is 45 . find the number​

Answer 1

4

Explanation:

Let the number = x

Added to 11 = 11+x

Multiply result by 3 = 3(11+x)

Final result = 45

Solving

3(11 + x) =45

33 +3x = 45

3x= 45-33

3x=12

X=4 by dividing both side by 3