20b-10b=30

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Solution for 20b-10b=30 equation: 


Simplifying
20b + -10b = 30

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

Solving
10b = 30

Solving for variable 'b'.

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

Divide each side by '10'.
b = 3

Simplifying
b = 3

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