3a-27=54-12a

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Solution for 3a-27=54-12a equation: 


Simplifying
3a + -27 = 54 + -12a

Reorder the terms:
-27 + 3a = 54 + -12a

Solving
-27 + 3a = 54 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
-27 + 3a + 12a = 54 + -12a + 12a

Combine like terms: 3a + 12a = 15a
-27 + 15a = 54 + -12a + 12a

Combine like terms: -12a + 12a = 0
-27 + 15a = 54 + 0
-27 + 15a = 54

Add '27' to each side of the equation.
-27 + 27 + 15a = 54 + 27

Combine like terms: -27 + 27 = 0
0 + 15a = 54 + 27
15a = 54 + 27

Combine like terms: 54 + 27 = 81
15a = 81

Divide each side by '15'.
a = 5.4

Simplifying
a = 5.4

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