-20=10(1+3b)

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


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

Solving
-20 = 10 + 30b

Solving for variable 'b'.

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

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

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

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

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

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

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

Simplifying
b = -1

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