Respuesta :
Answer: x+3y-9
Step-by-step explanation: 2x+3y-x-(8+1)
Collect like terms first
Then add your number
answer: =x+3y-9
explanation: 2x+3y-x-(8+1)
x+3y-(8+1)
x+3y-9
hope this helps!
explanation: 2x+3y-x-(8+1)
x+3y-(8+1)
x+3y-9
hope this helps!