8b-9=2b-15

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Solution for 8b-9=2b-15 equation:


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

Reorder the terms:
-9 + 8b = 2b + -15

Reorder the terms:
-9 + 8b = -15 + 2b

Solving
-9 + 8b = -15 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-9 + 8b + -2b = -15 + 2b + -2b

Combine like terms: 8b + -2b = 6b
-9 + 6b = -15 + 2b + -2b

Combine like terms: 2b + -2b = 0
-9 + 6b = -15 + 0
-9 + 6b = -15

Add '9' to each side of the equation.
-9 + 9 + 6b = -15 + 9

Combine like terms: -9 + 9 = 0
0 + 6b = -15 + 9
6b = -15 + 9

Combine like terms: -15 + 9 = -6
6b = -6

Divide each side by '6'.
b = -1

Simplifying
b = -1

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