2(b+8)-9=-11

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Solution for 2(b+8)-9=-11 equation: 


Simplifying
2(b + 8) + -9 = -11

Reorder the terms:
2(8 + b) + -9 = -11
(8 * 2 + b * 2) + -9 = -11
(16 + 2b) + -9 = -11

Reorder the terms:
16 + -9 + 2b = -11

Combine like terms: 16 + -9 = 7
7 + 2b = -11

Solving
7 + 2b = -11

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + 2b = -11 + -7

Combine like terms: 7 + -7 = 0
0 + 2b = -11 + -7
2b = -11 + -7

Combine like terms: -11 + -7 = -18
2b = -18

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

Simplifying
b = -9

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