2a-a=-2

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Solution for 2a-a=-2 equation: 


Simplifying
2a + -1a = -2

Combine like terms: 2a + -1a = 1a
1a = -2

Solving
1a = -2

Solving for variable 'a'.

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

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

Simplifying
a = -2

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