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 = -30
-30b = -30

Divide each side by '-30'.
b = 1

Simplifying
b = 1

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