2(4b-1)=40

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Solution for 2(4b-1)=40 equation: 


Simplifying
2(4b + -1) = 40

Reorder the terms:
2(-1 + 4b) = 40
(-1 * 2 + 4b * 2) = 40
(-2 + 8b) = 40

Solving
-2 + 8b = 40

Solving for variable 'b'.

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

Add '2' to each side of the equation.
-2 + 2 + 8b = 40 + 2

Combine like terms: -2 + 2 = 0
0 + 8b = 40 + 2
8b = 40 + 2

Combine like terms: 40 + 2 = 42
8b = 42

Divide each side by '8'.
b = 5.25

Simplifying
b = 5.25

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