-0.4=-1p-(1p-0.6)

Solution for -0.4=-1p-(1p-0.6) equation:

Simplifying
-0.4 = -1p + -1(1p + -0.6)

Reorder the terms:
-0.4 = -1p + -1(-0.6 + 1p)
-0.4 = -1p + (-0.6 * -1 + 1p * -1)
-0.4 = -1p + (0.6 + -1p)

Reorder the terms:
-0.4 = 0.6 + -1p + -1p

Combine like terms: -1p + -1p = -2p
-0.4 = 0.6 + -2p

Solving
-0.4 = 0.6 + -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.
-0.4 + 2p = 0.6 + -2p + 2p

Combine like terms: -2p + 2p = 0
-0.4 + 2p = 0.6 + 0
-0.4 + 2p = 0.6

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 2p = 0.6 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 2p = 0.6 + 0.4
2p = 0.6 + 0.4

Combine like terms: 0.6 + 0.4 = 1
2p = 1

Divide each side by '2'.
p = 0.5

Simplifying
p = 0.5