3b-20=72

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Solution for 3b-20=72 equation: 


Simplifying
3b + -20 = 72

Reorder the terms:
-20 + 3b = 72

Solving
-20 + 3b = 72

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 3b = 72 + 20

Combine like terms: -20 + 20 = 0
0 + 3b = 72 + 20
3b = 72 + 20

Combine like terms: 72 + 20 = 92
3b = 92

Divide each side by '3'.
b = 30.66666667

Simplifying
b = 30.66666667

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