2a-9=-3

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Solution for 2a-9=-3 equation: 


Simplifying
2a + -9 = -3

Reorder the terms:
-9 + 2a = -3

Solving
-9 + 2a = -3

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 2a = -3 + 9

Combine like terms: -9 + 9 = 0
0 + 2a = -3 + 9
2a = -3 + 9

Combine like terms: -3 + 9 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

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