Answer:
v = -90.
Step-by-step explanation:
To isolate v you multiply both sides of the equation by 10:
v *10 / 10 = -9 * 10
v = - 90
Given
[tex]\frac{v}{10}[/tex] = - 9
Multiply both sides by 10
v = 10 × - 9 = - 90
