2b+b-8=4

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Solution for 2b+b-8=4 equation: 


Simplifying
2b + b + -8 = 4

Reorder the terms:
-8 + 2b + b = 4

Combine like terms: 2b + b = 3b
-8 + 3b = 4

Solving
-8 + 3b = 4

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 3b = 4 + 8

Combine like terms: -8 + 8 = 0
0 + 3b = 4 + 8
3b = 4 + 8

Combine like terms: 4 + 8 = 12
3b = 12

Divide each side by '3'.
b = 4

Simplifying
b = 4

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