Question

Convert to slope intercept form.

y + 6 = 4/5 (x + 3)

Answer 1

x = 5y + 30/4 - 3 is the answer.

Answer 2

All you need to do is subtract the 6 and distribute on the right side. 

y + 6 = 4/5x + 2 2/5
y = 4/5x - 3 3/5

Hope this helps!!

This random online calculator received the same answer: 

Second image is a picture of Desmos (online graphing calculator) with my answer plugged in: