How would i solve these algebra problems?

hey guys. so here is my question..
i'm not asking you to do my h/w for me. i just need to know HOW To solve these algebra problems...


4+7y-10



and



14x+16xy-17xy+8x

can someone please, help a brotha out?
i'm totally lost lol
thanks!
Update: thanks guys
you all cleared that up for me lol thanks a ton xxox
8 answers 8