3b+b-8=4

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Solution for 3b+b-8=4 equation: 


Simplifying
3b + b + -8 = 4

Reorder the terms:
-8 + 3b + b = 4

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

Solving
-8 + 4b = 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 + 4b = 4 + 8

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

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

Divide each side by '4'.
b = 3

Simplifying
b = 3

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