Reflection self-portrait

Solve the system of equations below.4x+y=162x + 3y = -2

Ineed some on finding music. i have a nephew who is into rap, but when i find a rap song, it seems to either be too old for his taste or to him it isn't good enough. can someone suggest some good music for me to see if he likes it or not?

Riddle me this: i am first in earth, second in heaven, appear two times in aweekyou can only see meonce in a year, althoughi'm in the middle of sea. what am i?