b-7+b=-8

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


Simplifying
b + -7 + b = -8

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

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

Solving
-7 + 2b = -8

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 = -8 + 7

Combine like terms: -7 + 7 = 0
0 + 2b = -8 + 7
2b = -8 + 7

Combine like terms: -8 + 7 = -1
2b = -1

Divide each side by '2'.
b = -0.5

Simplifying
b = -0.5

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