Respuesta :

answer: -x+8
explanation: it’s in its simplest form because it cannot be factored
ANSWER: -x + 8

Explanation:

(6x+9)-(7x+1)
remove parentheses and change the sign of each term of expression whenever there is a - in front of an expression in parentheses

6x+9-7x-1
collect like terms
-x+9-1
subtract the numbers
-x+8