Ессе на тему , все мы народ и правительство тоже , помогите

выразите переменную у через переменную х, найдите два каких-нибудь решения уравнения x+4y=-12

Your friend has just come back from a holiday. You ask him/her about it. Put did/was/were in the spaces.

1. Where _______ you?
2. ________ you enjoy your trip?
3. How _______ you travel about the city?
4. _______ the weather fine?
5. _______ it warm?
6. ______________ you stay with your friends? 
7. _________ they meet you at the airport? 
8. _____________ your room comfortable? 
9. _______ you meet anybody interesting? 
10. _______ you tired when you came back?

найти x............

2^(5x+18) * 3^(4x+11) * 7^(3x+4)=504 ^(x+7)

в скобках это степени чисел 2,3,7,504