could you help me with this quickly or I'm gonna fail

Answer:
x=-1
Step-by-step explanation:
Hi! Not sure which questions you wanted to be answered, but since 19 was in the middle I went ahead and answered that one for you. Here are the steps! If you don't understand, feel free to comment asking any questions!
y=-1
8x-3y=-5
8x-3(-1)=-5
8x+3=-5
8x=-8
x=-1
Hope this helps! Please leave a brainly if you can!