20b-17b=63

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Solution for 20b-17b=63 equation: 


Simplifying
20b + -17b = 63

Combine like terms: 20b + -17b = 3b
3b = 63

Solving
3b = 63

Solving for variable 'b'.

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

Divide each side by '3'.
b = 21

Simplifying
b = 21

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