Answer:
v = -5
Explanation:
1. Expand the brackets on the right side of the equation by multiplying v and 7 by -4: 16 - 4v - 28
2. Simplify the right hand side: 16 - 4v - 28 = -12 - 4v
3. Group like terms by putting the v's on one side and the numbers on the other side of the '=' : 2v + 4v = -12 - 18
Note: when you move a term over the other other side of the equal sign, you flip its sign (e.g. if it was +, it would become -)
4. Simplfy both sides of the equation: 6v = -30
5. Divide both sides by 6 to solve for v: v = -5
Hope this helps!