1b-20=-9b

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Solution for 1b-20=-9b equation:


Simplifying
1b + -20 = -9b

Reorder the terms:
-20 + 1b = -9b

Solving
-20 + 1b = -9b

Solving for variable 'b'.

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

Add '9b' to each side of the equation.
-20 + 1b + 9b = -9b + 9b

Combine like terms: 1b + 9b = 10b
-20 + 10b = -9b + 9b

Combine like terms: -9b + 9b = 0
-20 + 10b = 0

Add '20' to each side of the equation.
-20 + 20 + 10b = 0 + 20

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

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

Divide each side by '10'.
b = 2

Simplifying
b = 2

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