-1=2p

Solution for -1=2p equation:

Simplifying
-1 = 2p

Solving
-1 = 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
-1 + -2p = 2p + -2p

Combine like terms: 2p + -2p = 0
-1 + -2p = 0

Add '1' to each side of the equation.
-1 + 1 + -2p = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2p = 0 + 1
-2p = 0 + 1

Combine like terms: 0 + 1 = 1
-2p = 1

Divide each side by '-2'.
p = -0.5

Simplifying
p = -0.5