Add spaces: Butterthewaffleiron,youonlyneedtodothisonce.

Answer: Butter the waffle iron, you only need to do this once.

Add spaces: ItdoesnothaveadesiretogobacktoRussia?

Answer: It does not have a desire to go back to Russia?

Add spaces: IfyourfriendsspeakBelarusian,learningBelarusianwillgiveyouabetterunderstandingoftheircultureandwayofthinking.IfyouhavefriendswhospeakBelarusian,learningBelarusianwillhelpyoutocommunicatewiththem.

Answer:
If your friends speak Belarusian, learning Belarusian will give you a better understanding of their culture and way of thinking. If you have friends who speak Belarusian, learning Belarusian will help you to communicate with them.