-150=-10(-5b)

Solution for -150=-10(-5b) equation:

Simplifying
-150 = -10(-5b)

Remove parenthesis around (-5b)
-150 = -10 * -5b

Multiply -10 * -5
-150 = 50b

Solving
-150 = 50b

Solving for variable 'b'.

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

Add '-50b' to each side of the equation.
-150 + -50b = 50b + -50b

Combine like terms: 50b + -50b = 0
-150 + -50b = 0

Add '150' to each side of the equation.
-150 + 150 + -50b = 0 + 150

Combine like terms: -150 + 150 = 0
0 + -50b = 0 + 150
-50b = 0 + 150

Combine like terms: 0 + 150 = 150
-50b = 150

Divide each side by '-50'.
b = -3

Simplifying
b = -3