-2(b+1)=-20

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Solution for -2(b+1)=-20 equation: 


Simplifying
-2(b + 1) = -20

Reorder the terms:
-2(1 + b) = -20
(1 * -2 + b * -2) = -20
(-2 + -2b) = -20

Solving
-2 + -2b = -20

Solving for variable 'b'.

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

Add '2' to each side of the equation.
-2 + 2 + -2b = -20 + 2

Combine like terms: -2 + 2 = 0
0 + -2b = -20 + 2
-2b = -20 + 2

Combine like terms: -20 + 2 = -18
-2b = -18

Divide each side by '-2'.
b = 9

Simplifying
b = 9

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