15=-3(2p-1)

Solution for 15=-3(2p-1) equation:

Simplifying
15 = -3(2p + -1)

Reorder the terms:
15 = -3(-1 + 2p)
15 = (-1 * -3 + 2p * -3)
15 = (3 + -6p)

Solving
15 = 3 + -6p

Solving for variable 'p'.

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

Add '6p' to each side of the equation.
15 + 6p = 3 + -6p + 6p

Combine like terms: -6p + 6p = 0
15 + 6p = 3 + 0
15 + 6p = 3

Add '-15' to each side of the equation.
15 + -15 + 6p = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 6p = 3 + -15
6p = 3 + -15

Combine like terms: 3 + -15 = -12
6p = -12

Divide each side by '6'.
p = -2

Simplifying
p = -2