-9=-64v^2

Solution for -9=-64v^2 equation:

Simplifying
-9 = -64v2

Solving
-9 = -64v2

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '64v2' to each side of the equation.
-9 + 64v2 = -64v2 + 64v2

Combine like terms: -64v2 + 64v2 = 0
-9 + 64v2 = 0

Add '9' to each side of the equation.
-9 + 9 + 64v2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 64v2 = 0 + 9
64v2 = 0 + 9

Combine like terms: 0 + 9 = 9
64v2 = 9

Divide each side by '64'.
v2 = 0.140625

Simplifying
v2 = 0.140625

Take the square root of each side:
v = {-0.375, 0.375}