Answer:
The answer is x + 2y = 8
Step-by-step explanation:
Given y = -1/2x + 4
Multiply left and right by 2, 2y = -x + 8
Add x to left and right, x + 2y = 8
x+2y=8
std form is ax+by=c
y=-(1/2)x+4
y+1/2x=4
but all choices have c=8 or -8
so multiply by 2
2y+x=8
