-2a+-2=0

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Solution for -2a+-2=0 equation: 


Simplifying
-2a + -2 = 0

Reorder the terms:
-2 + -2a = 0

Solving
-2 + -2a = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + -2a = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -2a = 0 + 2
-2a = 0 + 2

Combine like terms: 0 + 2 = 2
-2a = 2

Divide each side by '-2'.
a = -1

Simplifying
a = -1

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