2b-9=5b

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Solution for 2b-9=5b equation:


Simplifying
2b + -9 = 5b

Reorder the terms:
-9 + 2b = 5b

Solving
-9 + 2b = 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
-9 + 2b + -5b = 5b + -5b

Combine like terms: 2b + -5b = -3b
-9 + -3b = 5b + -5b

Combine like terms: 5b + -5b = 0
-9 + -3b = 0

Add '9' to each side of the equation.
-9 + 9 + -3b = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -3b = 0 + 9
-3b = 0 + 9

Combine like terms: 0 + 9 = 9
-3b = 9

Divide each side by '-3'.
b = -3

Simplifying
b = -3

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