-9+12a+(-6a)-a=

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Solution for -9+12a+(-6a)-a= equation:


Simplifying
-9 + 12a + (-6a) + -1a = 0

Combine like terms: 12a + (-6a) = 6a
-9 + 6a + -1a = 0

Combine like terms: 6a + -1a = 5a
-9 + 5a = 0

Solving
-9 + 5a = 0

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 + 5a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 5a = 0 + 9
5a = 0 + 9

Combine like terms: 0 + 9 = 9
5a = 9

Divide each side by '5'.
a = 1.8

Simplifying
a = 1.8

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