Asked by HELP !!!

collect like terms

10u+5v-6u-7v
-5v -5v=-2
-10u -10u =-16

answer=-18
is my answer correct
Answered by Reiny
no, you can only add/subtract like terms

10u+5v-6u-7v
= 10u - 6u + 5v - 7v
= 4u - 2v