-10(1-3b)=-20

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Solution for -10(1-3b)=-20 equation: 


Simplifying
-10(1 + -3b) = -20
(1 * -10 + -3b * -10) = -20
(-10 + 30b) = -20

Solving
-10 + 30b = -20

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + 30b = -20 + 10

Combine like terms: -10 + 10 = 0
0 + 30b = -20 + 10
30b = -20 + 10

Combine like terms: -20 + 10 = -10
30b = -10

Divide each side by '30'.
b = -0.3333333333

Simplifying
b = -0.3333333333

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