-3(2x - 0.8) = 2x + 36

1. Distribute -3 on the left side: -6x + 2.4 = 2x + 36.

2. Move x terms to one side and constants to the other: 2.4 - 36 = 2x + 6x.

3. Simplify: -33.6 = 8x.

4. Solve for x: x = -33.6 / 8 = -4.2.

x = -4.2