Question

Please help fast
x = 8
2x + y = 20

Answer 1

2x+4=20

Explanation:

So, if x = 8, that means we need to find out what y equals to complete the equation. 2(8)=16, so 16+y+20. Then we figure out what y is. 20-16=4. So, 16+4=20 or 2x+4=20.