3b-2-b=8

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Solution for 3b-2-b=8 equation: 


Simplifying
3b + -2 + -1b = 8

Reorder the terms:
-2 + 3b + -1b = 8

Combine like terms: 3b + -1b = 2b
-2 + 2b = 8

Solving
-2 + 2b = 8

Solving for variable 'b'.

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

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

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

Combine like terms: 8 + 2 = 10
2b = 10

Divide each side by '2'.
b = 5

Simplifying
b = 5

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