10(1+b)=-20

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


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

Solving
10 + 10b = -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 + 10b = -20 + -10

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

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

Divide each side by '10'.
b = -3

Simplifying
b = -3

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