3[b-2]=4

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Solution for 3[b-2]=4 equation: 


Simplifying
3[b + -2] = 4

Reorder the terms:
3[-2 + b] = 4
[-2 * 3 + b * 3] = 4
[-6 + 3b] = 4

Solving
-6 + 3b = 4

Solving for variable 'b'.

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

Add '6' to each side of the equation.
-6 + 6 + 3b = 4 + 6

Combine like terms: -6 + 6 = 0
0 + 3b = 4 + 6
3b = 4 + 6

Combine like terms: 4 + 6 = 10
3b = 10

Divide each side by '3'.
b = 3.333333333

Simplifying
b = 3.333333333

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