x+3=(-12)

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Solution for x+3=(-12) equation: 


Simplifying
x + 3 = (-12)

Reorder the terms:
3 + x = (-12)
3 + x = -12

Solving
3 + x = -12

Solving for variable 'x'.

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

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

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

Combine like terms: -12 + -3 = -15
x = -15

Simplifying
x = -15

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