2-1=v

Solution for 2-1=v equation:

Simplifying
2 + -1 = v

Combine like terms: 2 + -1 = 1
1 = v

Solving
1 = v

Solving for variable 'v'.

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

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

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

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

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

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

Divide each side by '-1'.
v = 1

Simplifying
v = 1