Question

Helppppp with alll the problems asap!! Show your work

Answer 1

17)
`x+2x+1+3x=\boxed{6x+1}`

18)
`17-a+5a-1+4ab=\boxed{4ab+4a+16}`

19)
`2(3y-5+y+2)=\boxed{8y-6}`

20)
`k^2 +k+k^2 -9k+23+k^2 +k+2k^2 -17=\boxed{5k^2 -7k+6}`