<u><em>v=-6 is the right answer. </em></u>First you had to subtract by 7 from both sides of equation, and it gave us, . And then simplify, and it gave us, . You can also add by 8v from both sides of equation, and it gave us, . Next simplify, and it gave us, . Then you divide by 2 from both sides of equation, and it gave us, . And finally simplify, and it gave us the answer is <u><em>v=-6 is the right answer.</em></u>Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie