3b+b-2=9-b

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Solution for 3b+b-2=9-b equation:


Simplifying
3b + b + -2 = 9 + -1b

Reorder the terms:
-2 + 3b + b = 9 + -1b

Combine like terms: 3b + b = 4b
-2 + 4b = 9 + -1b

Solving
-2 + 4b = 9 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-2 + 4b + b = 9 + -1b + b

Combine like terms: 4b + b = 5b
-2 + 5b = 9 + -1b + b

Combine like terms: -1b + b = 0
-2 + 5b = 9 + 0
-2 + 5b = 9

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

Combine like terms: -2 + 2 = 0
0 + 5b = 9 + 2
5b = 9 + 2

Combine like terms: 9 + 2 = 11
5b = 11

Divide each side by '5'.
b = 2.2

Simplifying
b = 2.2

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