12a-15=27

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Solution for 12a-15=27 equation: 


Simplifying
12a + -15 = 27

Reorder the terms:
-15 + 12a = 27

Solving
-15 + 12a = 27

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 12a = 27 + 15

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

Combine like terms: 27 + 15 = 42
12a = 42

Divide each side by '12'.
a = 3.5

Simplifying
a = 3.5

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