4(-3b-6)=-72

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Solution for 4(-3b-6)=-72 equation: 


Simplifying
4(-3b + -6) = -72

Reorder the terms:
4(-6 + -3b) = -72
(-6 * 4 + -3b * 4) = -72
(-24 + -12b) = -72

Solving
-24 + -12b = -72

Solving for variable 'b'.

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

Add '24' to each side of the equation.
-24 + 24 + -12b = -72 + 24

Combine like terms: -24 + 24 = 0
0 + -12b = -72 + 24
-12b = -72 + 24

Combine like terms: -72 + 24 = -48
-12b = -48

Divide each side by '-12'.
b = 4

Simplifying
b = 4

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