mx+b=-12

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Solution for mx+b=-12 equation: 


Simplifying
mx + b = -12

Reorder the terms:
b + mx = -12

Solving
b + mx = -12

Solving for variable 'b'.

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

Add '-1mx' to each side of the equation.
b + mx + -1mx = -12 + -1mx

Combine like terms: mx + -1mx = 0
b + 0 = -12 + -1mx
b = -12 + -1mx

Simplifying
b = -12 + -1mx

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