9b+42=-12

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Solution for 9b+42=-12 equation: 


Simplifying
9b + 42 = -12

Reorder the terms:
42 + 9b = -12

Solving
42 + 9b = -12

Solving for variable 'b'.

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

Add '-42' to each side of the equation.
42 + -42 + 9b = -12 + -42

Combine like terms: 42 + -42 = 0
0 + 9b = -12 + -42
9b = -12 + -42

Combine like terms: -12 + -42 = -54
9b = -54

Divide each side by '9'.
b = -6

Simplifying
b = -6

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