4(2b-1)=84

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Solution for 4(2b-1)=84 equation: 


Simplifying
4(2b + -1) = 84

Reorder the terms:
4(-1 + 2b) = 84
(-1 * 4 + 2b * 4) = 84
(-4 + 8b) = 84

Solving
-4 + 8b = 84

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 + 8b = 84 + 4

Combine like terms: -4 + 4 = 0
0 + 8b = 84 + 4
8b = 84 + 4

Combine like terms: 84 + 4 = 88
8b = 88

Divide each side by '8'.
b = 11

Simplifying
b = 11

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