3(b-13)=9

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Solution for 3(b-13)=9 equation: 


Simplifying
3(b + -13) = 9

Reorder the terms:
3(-13 + b) = 9
(-13 * 3 + b * 3) = 9
(-39 + 3b) = 9

Solving
-39 + 3b = 9

Solving for variable 'b'.

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

Add '39' to each side of the equation.
-39 + 39 + 3b = 9 + 39

Combine like terms: -39 + 39 = 0
0 + 3b = 9 + 39
3b = 9 + 39

Combine like terms: 9 + 39 = 48
3b = 48

Divide each side by '3'.
b = 16

Simplifying
b = 16

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