3+z=-12

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Solution for 3+z=-12 equation: 


Simplifying
3 + z = -12

Solving
3 + z = -12

Solving for variable 'z'.

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

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

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

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

Simplifying
z = -15

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