2(-9+b)=-56

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Solution for 2(-9+b)=-56 equation: 


Simplifying
2(-9 + b) = -56
(-9 * 2 + b * 2) = -56
(-18 + 2b) = -56

Solving
-18 + 2b = -56

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 = -56 + 18

Combine like terms: -18 + 18 = 0
0 + 2b = -56 + 18
2b = -56 + 18

Combine like terms: -56 + 18 = -38
2b = -38

Divide each side by '2'.
b = -19

Simplifying
b = -19

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