5(1-2b)=20

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Solution for 5(1-2b)=20 equation: 


Simplifying
5(1 + -2b) = 20
(1 * 5 + -2b * 5) = 20
(5 + -10b) = 20

Solving
5 + -10b = 20

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + -10b = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -10b = 20 + -5
-10b = 20 + -5

Combine like terms: 20 + -5 = 15
-10b = 15

Divide each side by '-10'.
b = -1.5

Simplifying
b = -1.5

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