27-a=12a-6a

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Solution for 27-a=12a-6a equation:


Simplifying
27 + -1a = 12a + -6a

Combine like terms: 12a + -6a = 6a
27 + -1a = 6a

Solving
27 + -1a = 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
27 + -1a + -6a = 6a + -6a

Combine like terms: -1a + -6a = -7a
27 + -7a = 6a + -6a

Combine like terms: 6a + -6a = 0
27 + -7a = 0

Add '-27' to each side of the equation.
27 + -27 + -7a = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -7a = 0 + -27
-7a = 0 + -27

Combine like terms: 0 + -27 = -27
-7a = -27

Divide each side by '-7'.
a = 3.857142857

Simplifying
a = 3.857142857

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