3a+9=27

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Solution for 3a+9=27 equation: 


Simplifying
3a + 9 = 27

Reorder the terms:
9 + 3a = 27

Solving
9 + 3a = 27

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 + 3a = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 3a = 27 + -9
3a = 27 + -9

Combine like terms: 27 + -9 = 18
3a = 18

Divide each side by '3'.
a = 6

Simplifying
a = 6

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