3b-4=8

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Solution for 3b-4=8 equation: 


Simplifying
3b + -4 = 8

Reorder the terms:
-4 + 3b = 8

Solving
-4 + 3b = 8

Solving for variable 'b'.

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

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

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

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

Divide each side by '3'.
b = 4

Simplifying
b = 4

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