7v = 2v - 20
First, subtract 2v from both sides. / Your problem should look like: 7v - 2v = -20
Second, simplify 7v - 2v to 5v. / Your problem should look like: 5v = -20
Third, divide both sides by 5. / Your problem should look like: v = [tex]- \frac{20}{5} [/tex]
Fourth, simplify [tex] \frac{20}{5} [/tex] to 4. / Your problem should look like: v = -4
Answer: v = -4