-a-5=-8

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Solution for -a-5=-8 equation: 


Simplifying
-1a + -5 = -8

Reorder the terms:
-5 + -1a = -8

Solving
-5 + -1a = -8

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 + -1a = -8 + 5

Combine like terms: -5 + 5 = 0
0 + -1a = -8 + 5
-1a = -8 + 5

Combine like terms: -8 + 5 = -3
-1a = -3

Divide each side by '-1'.
a = 3

Simplifying
a = 3

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