-12=-a

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Solution for -12=-a equation:


Simplifying
-12 = -1a

Solving
-12 = -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-12 + a = -1a + a

Combine like terms: -1a + a = 0
-12 + a = 0

Add '12' to each side of the equation.
-12 + 12 + a = 0 + 12

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

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

Simplifying
a = 12

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