Question

Помогите
1)3y-(-4a)+2y-3a=
2)3 (14-k)-2 (k+2)=
3)13 (a-y)-12 (-y+a)=
4)4-2x-(5-(3x+2))=

Answer 1

1) 3y+2y-(-4a)-3a=5y-(-7a)