-b-12+-3b=

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Solution for -b-12+-3b= equation:


Simplifying
-1b + -12 + -3b = 0

Reorder the terms:
-12 + -1b + -3b = 0

Combine like terms: -1b + -3b = -4b
-12 + -4b = 0

Solving
-12 + -4b = 0

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + -4b = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -4b = 0 + 12
-4b = 0 + 12

Combine like terms: 0 + 12 = 12
-4b = 12

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

Simplifying
b = -3

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