-2(b-9)=-24

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Solution for -2(b-9)=-24 equation: 


Simplifying
-2(b + -9) = -24

Reorder the terms:
-2(-9 + b) = -24
(-9 * -2 + b * -2) = -24
(18 + -2b) = -24

Solving
18 + -2b = -24

Solving for variable 'b'.

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

Add '-18' to each side of the equation.
18 + -18 + -2b = -24 + -18

Combine like terms: 18 + -18 = 0
0 + -2b = -24 + -18
-2b = -24 + -18

Combine like terms: -24 + -18 = -42
-2b = -42

Divide each side by '-2'.
b = 21

Simplifying
b = 21

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