Respuesta :
Group your like terms (the terms with the same letter) then solve.
2y and 3y= 5y
4x and 12x= 16x
9+20= 29
The final answer is 5y+16x+29
2y and 3y= 5y
4x and 12x= 16x
9+20= 29
The final answer is 5y+16x+29