2-2a=-9

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Solution for 2-2a=-9 equation: 


Simplifying
2 + -2a = -9

Solving
2 + -2a = -9

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 = -9 + -2

Combine like terms: 2 + -2 = 0
0 + -2a = -9 + -2
-2a = -9 + -2

Combine like terms: -9 + -2 = -11
-2a = -11

Divide each side by '-2'.
a = 5.5

Simplifying
a = 5.5

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