3b-40=20

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Solution for 3b-40=20 equation: 


Simplifying
3b + -40 = 20

Reorder the terms:
-40 + 3b = 20

Solving
-40 + 3b = 20

Solving for variable 'b'.

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

Add '40' to each side of the equation.
-40 + 40 + 3b = 20 + 40

Combine like terms: -40 + 40 = 0
0 + 3b = 20 + 40
3b = 20 + 40

Combine like terms: 20 + 40 = 60
3b = 60

Divide each side by '3'.
b = 20

Simplifying
b = 20

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