3(b+9)=180

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Solution for 3(b+9)=180 equation: 


Simplifying
3(b + 9) = 180

Reorder the terms:
3(9 + b) = 180
(9 * 3 + b * 3) = 180
(27 + 3b) = 180

Solving
27 + 3b = 180

Solving for variable 'b'.

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

Add '-27' to each side of the equation.
27 + -27 + 3b = 180 + -27

Combine like terms: 27 + -27 = 0
0 + 3b = 180 + -27
3b = 180 + -27

Combine like terms: 180 + -27 = 153
3b = 153

Divide each side by '3'.
b = 51

Simplifying
b = 51

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