Respuesta :

170454

Answer: i think the answer 12

Step-by-step explanation:

Answer:

Hello! answer: 20

Step-by-step explanation:

I don't know why they say z = something there is no z so we dont need that but we do need to know what y and x is so... y = 5 and x = 10

so the 10 + 2 × y = answer

10 + 10 = 20 so 20 is the answer! Hope that helps!