-1=v(4)

Solution for -1=v(4) equation:

Simplifying
-1 = v(4)

Reorder the terms for easier multiplication:
-1 = 4v

Solving
-1 = 4v

Solving for variable 'v'.

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

Add '-4v' to each side of the equation.
-1 + -4v = 4v + -4v

Combine like terms: 4v + -4v = 0
-1 + -4v = 0

Add '1' to each side of the equation.
-1 + 1 + -4v = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -4v = 0 + 1
-4v = 0 + 1

Combine like terms: 0 + 1 = 1
-4v = 1

Divide each side by '-4'.
v = -0.25

Simplifying
v = -0.25