11=-2[p-3]

Solution for 11=-2[p-3] equation:

Simplifying
11 = -2[p + -3]

Reorder the terms:
11 = -2[-3 + p]
11 = [-3 * -2 + p * -2]
11 = [6 + -2p]

Solving
11 = 6 + -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.
11 + 2p = 6 + -2p + 2p

Combine like terms: -2p + 2p = 0
11 + 2p = 6 + 0
11 + 2p = 6

Add '-11' to each side of the equation.
11 + -11 + 2p = 6 + -11

Combine like terms: 11 + -11 = 0
0 + 2p = 6 + -11
2p = 6 + -11

Combine like terms: 6 + -11 = -5
2p = -5

Divide each side by '2'.
p = -2.5

Simplifying
p = -2.5