Respuesta :

The top and bottom are the same length:

5x +10 = 40

Subtract 10 from each side:

5x = 30

Divide both sides by 5:

x = 30/5

x = 6

Here is your answer

The sides of length 40 and (5x+10) are of same length.

So, 5x+10= 40

=> 5x= 40-10

=> x= 30/5

=> x= 6

HOPE IT IS USEFUL