Respuesta :
Answer:
x = 5
Step-by-step explanation:
y = 20; y = 4x
20 = y = 4x
20 = 4x
5 = x
x = 5
Answer:
Step-by-step explanation:
Y=2x........ equation 1
Y=20....... equation 2
If y=20 then let's substitute y=20 into equation 1
20=2x
Solve for x by dividing both sides by 2.
20/2=2x/2
x=10.
