12=3(b+8)

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Solution for 12=3(b+8) equation: 


Simplifying
12 = 3(b + 8)

Reorder the terms:
12 = 3(8 + b)
12 = (8 * 3 + b * 3)
12 = (24 + 3b)

Solving
12 = 24 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
12 + -3b = 24 + 3b + -3b

Combine like terms: 3b + -3b = 0
12 + -3b = 24 + 0
12 + -3b = 24

Add '-12' to each side of the equation.
12 + -12 + -3b = 24 + -12

Combine like terms: 12 + -12 = 0
0 + -3b = 24 + -12
-3b = 24 + -12

Combine like terms: 24 + -12 = 12
-3b = 12

Divide each side by '-3'.
b = -4

Simplifying
b = -4

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