Answer :

Alright so because there are no brackets around the 10+3 then your coefficient on the brackets is 3

so times everything inside your brackets by 3

3 x 2v=6v
-3 x 3=-9

10-9+6v    now simplify

6v+1   DONE!


10+3(2v-3)

10+6v-9

1+6v

HOPE THIS HELPS!!!!!!!!!!