-2b+8=-15

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Solution for -2b+8=-15 equation: 


Simplifying
-2b + 8 = -15

Reorder the terms:
8 + -2b = -15

Solving
8 + -2b = -15

Solving for variable 'b'.

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

Add '-8' to each side of the equation.
8 + -8 + -2b = -15 + -8

Combine like terms: 8 + -8 = 0
0 + -2b = -15 + -8
-2b = -15 + -8

Combine like terms: -15 + -8 = -23
-2b = -23

Divide each side by '-2'.
b = 11.5

Simplifying
b = 11.5

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