9=2b-5b

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Solution for 9=2b-5b equation:


Simplifying
9 = 2b + -5b

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

Solving
9 = -3b

Solving for variable 'b'.

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

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

Combine like terms: -3b + 3b = 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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