a+3=9

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Solution for a+3=9 equation: 


Simplifying
a + 3 = 9

Reorder the terms:
3 + a = 9

Solving
3 + a = 9

Solving for variable 'a'.

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

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

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

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

Simplifying
a = 6

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