x+12=-30

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Solution for x+12=-30 equation: 


Simplifying
x + 12 = -30

Reorder the terms:
12 + x = -30

Solving
12 + x = -30

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + x = -30 + -12

Combine like terms: 12 + -12 = 0
0 + x = -30 + -12
x = -30 + -12

Combine like terms: -30 + -12 = -42
x = -42

Simplifying
x = -42

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