Respuesta :

Answer:

7

Step-by-step explanation:

The parallel side of the equation is 38. Which means the side of the equation must be equal to that. Thats how parallelograms work.

So the equation 5x+3 can be broken down like this:

5(x)+3

5(7)+3 fill in number where variable was

5×7= 35 so the equation becomes

35+3 = 38

38=38

in the future just plug in each answer (the numbers) into the equation and use the process of elimation to find the answer :)

The answer is seven because if you do 7×5+3 you would get the same value from the other side