Answer:
y = -4/5x + 4
Explanation:
First we want to know slope intercept form. y = mx +b. Now we want to rearrange the original equation into this form. Start by subtracting 4x from either side. Now we have 5y = -4x + 20. We now want to isolate x, so divide by 5 on both sides, we get y = -4/5x + 4