-(0.6)(-0.3x)(1.5)(-1)=b

Solution for -(0.6)(-0.3x)(1.5)(-1)=b equation:

Simplifying
-1(0.6)(-0.3x)(1.5)(-1) = b

Remove parenthesis around (-0.3x)
-1 * 0.6 * -0.3x(1.5)(-1) = b

Reorder the terms for easier multiplication:
-1 * 0.6 * -0.3 * 1.5 * -1x = b

Multiply -1 * 0.6
-0.6 * -0.3 * 1.5 * -1x = b

Multiply -0.6 * -0.3
0.18 * 1.5 * -1x = b

Multiply 0.18 * 1.5
0.27 * -1x = b

Multiply 0.27 * -1
-0.27x = b

Solving
-0.27x = b

Solving for variable 'x'.

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

Divide each side by '-0.27'.
x = -3.703703704b

Simplifying
x = -3.703703704b