20(b-2)=40

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Solution for 20(b-2)=40 equation:


Simplifying
20(b + -2) = 40

Reorder the terms:
20(-2 + b) = 40
(-2 * 20 + b * 20) = 40
(-40 + 20b) = 40

Solving
-40 + 20b = 40

Solving for variable 'b'.

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

Add '40' to each side of the equation.
-40 + 40 + 20b = 40 + 40

Combine like terms: -40 + 40 = 0
0 + 20b = 40 + 40
20b = 40 + 40

Combine like terms: 40 + 40 = 80
20b = 80

Divide each side by '20'.
b = 4

Simplifying
b = 4

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