Answer:
I think -3x-17 sorry if wrong
Step-by-step explanation:
8x+ 32= 5x+15
-3x-17
[tex]8(x + 4) = 5(x + 3) \\ 8x + 32 = 5x + 15 \\ 32 - 15 = 8x - 5x \\ [/tex]