Answer:
-6u + 7
Step-by-step explanation:
(-u+8)-(5u+1)
(-u+8)-5u-1
-u+8-5u-1
-u+7-5u
-6u+7
7-6u
(8-u)-(5u+1)
Remove the brackets
=8-u-5u-1
Collect the same terms
=8-1-u-5u
=7-6u
I hope this is helpful
