-12-a=-17

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Solution for -12-a=-17 equation: 


Simplifying
-12 + -1a = -17

Solving
-12 + -1a = -17

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + -1a = -17 + 12

Combine like terms: -12 + 12 = 0
0 + -1a = -17 + 12
-1a = -17 + 12

Combine like terms: -17 + 12 = -5
-1a = -5

Divide each side by '-1'.
a = 5

Simplifying
a = 5

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