b+7+b+8=

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Solution for b+7+b+8= equation: 


Simplifying
b + 7 + b + 8 = 0

Reorder the terms:
7 + 8 + b + b = 0

Combine like terms: 7 + 8 = 15
15 + b + b = 0

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

Solving
15 + 2b = 0

Solving for variable 'b'.

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

Add '-15' to each side of the equation.
15 + -15 + 2b = 0 + -15

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

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

Divide each side by '2'.
b = -7.5

Simplifying
b = -7.5

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