(a-2)9-(-3a)-6=0

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Solution for (a-2)9-(-3a)-6=0 equation:


Simplifying
(a + -2) * 9 + -1(-3a) + -6 = 0

Reorder the terms:
(-2 + a) * 9 + -1(-3a) + -6 = 0

Reorder the terms for easier multiplication:
9(-2 + a) + -1(-3a) + -6 = 0
(-2 * 9 + a * 9) + -1(-3a) + -6 = 0
(-18 + 9a) + -1(-3a) + -6 = 0

Remove parenthesis around (-3a)
-18 + 9a + -1 * -3a + -6 = 0

Multiply -1 * -3
-18 + 9a + 3a + -6 = 0

Reorder the terms:
-18 + -6 + 9a + 3a = 0

Combine like terms: -18 + -6 = -24
-24 + 9a + 3a = 0

Combine like terms: 9a + 3a = 12a
-24 + 12a = 0

Solving
-24 + 12a = 0

Solving for variable 'a'.

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

Add '24' to each side of the equation.
-24 + 24 + 12a = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 12a = 0 + 24
12a = 0 + 24

Combine like terms: 0 + 24 = 24
12a = 24

Divide each side by '12'.
a = 2

Simplifying
a = 2

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