2(b+8)-9=15

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Solution for 2(b+8)-9=15 equation: 


Simplifying
2(b + 8) + -9 = 15

Reorder the terms:
2(8 + b) + -9 = 15
(8 * 2 + b * 2) + -9 = 15
(16 + 2b) + -9 = 15

Reorder the terms:
16 + -9 + 2b = 15

Combine like terms: 16 + -9 = 7
7 + 2b = 15

Solving
7 + 2b = 15

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 = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2b = 15 + -7
2b = 15 + -7

Combine like terms: 15 + -7 = 8
2b = 8

Divide each side by '2'.
b = 4

Simplifying
b = 4

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