a+(-5)=-12

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Solution for a+(-5)=-12 equation: 


Simplifying
a + (-5) = -12
a + -5 = -12

Reorder the terms:
-5 + a = -12

Solving
-5 + a = -12

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + a = -12 + 5

Combine like terms: -5 + 5 = 0
0 + a = -12 + 5
a = -12 + 5

Combine like terms: -12 + 5 = -7
a = -7

Simplifying
a = -7

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