6a-12a-3=12a+9

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Solution for 6a-12a-3=12a+9 equation:


Simplifying
6a + -12a + -3 = 12a + 9

Reorder the terms:
-3 + 6a + -12a = 12a + 9

Combine like terms: 6a + -12a = -6a
-3 + -6a = 12a + 9

Reorder the terms:
-3 + -6a = 9 + 12a

Solving
-3 + -6a = 9 + 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.
-3 + -6a + -12a = 9 + 12a + -12a

Combine like terms: -6a + -12a = -18a
-3 + -18a = 9 + 12a + -12a

Combine like terms: 12a + -12a = 0
-3 + -18a = 9 + 0
-3 + -18a = 9

Add '3' to each side of the equation.
-3 + 3 + -18a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -18a = 9 + 3
-18a = 9 + 3

Combine like terms: 9 + 3 = 12
-18a = 12

Divide each side by '-18'.
a = -0.6666666667

Simplifying
a = -0.6666666667

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