Answer:
-2x-5 is the answer
Explanation:
=x-7+(x-15)-(4x+15)+(8x+x)-(9x-2)
=x-7+x-15-4x+15+9x-9x+2
=x+x-4x+9x-9x-7-15+15+2
=2x-4x-5
=-2x-5
i hope this will help you :)
