(3a-3)+(a-6)+a=

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Solution for (3a-3)+(a-6)+a= equation:


Simplifying
(3a + -3) + (a + -6) + a = 0

Reorder the terms:
(-3 + 3a) + (a + -6) + a = 0

Remove parenthesis around (-3 + 3a)
-3 + 3a + (a + -6) + a = 0

Reorder the terms:
-3 + 3a + (-6 + a) + a = 0

Remove parenthesis around (-6 + a)
-3 + 3a + -6 + a + a = 0

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

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

Combine like terms: 3a + a = 4a
-9 + 4a + a = 0

Combine like terms: 4a + a = 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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