-2(b+5)=12

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Solution for -2(b+5)=12 equation: 


Simplifying
-2(b + 5) = 12

Reorder the terms:
-2(5 + b) = 12
(5 * -2 + b * -2) = 12
(-10 + -2b) = 12

Solving
-10 + -2b = 12

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + -2b = 12 + 10

Combine like terms: -10 + 10 = 0
0 + -2b = 12 + 10
-2b = 12 + 10

Combine like terms: 12 + 10 = 22
-2b = 22

Divide each side by '-2'.
b = -11

Simplifying
b = -11

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