2[3b-7]=4

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Solution for 2[3b-7]=4 equation: 


Simplifying
2[3b + -7] = 4

Reorder the terms:
2[-7 + 3b] = 4
[-7 * 2 + 3b * 2] = 4
[-14 + 6b] = 4

Solving
-14 + 6b = 4

Solving for variable 'b'.

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

Add '14' to each side of the equation.
-14 + 14 + 6b = 4 + 14

Combine like terms: -14 + 14 = 0
0 + 6b = 4 + 14
6b = 4 + 14

Combine like terms: 4 + 14 = 18
6b = 18

Divide each side by '6'.
b = 3

Simplifying
b = 3

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