-12=3(b+4)

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Solution for -12=3(b+4) equation: 


Simplifying
-12 = 3(b + 4)

Reorder the terms:
-12 = 3(4 + b)
-12 = (4 * 3 + b * 3)
-12 = (12 + 3b)

Solving
-12 = 12 + 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 = 12 + 3b + -3b

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

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

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

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

Divide each side by '-3'.
b = -8

Simplifying
b = -8

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