Answer:
-21v-7
Explanation:
1st remove parentheses: 4v*3+3v-8v*4+4v-8v-7
2nd Add similar elements: 3v+4v-8v= -v
=4*3v-v-8*4v-7
3rd Multiply the numbers: 4*3=12
12v-v-8*4v-7
4th Multiply the numbers: 8*4=32
=12v-v-32v-7
5th Add similar elements: 12v-v-32v=-21v
= -21v-7