(9a+3a-5)+(6a-9a+2)=

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Solution for (9a+3a-5)+(6a-9a+2)= equation:


Simplifying
(9a + 3a + -5) + (6a + -9a + 2) = 0

Reorder the terms:
(-5 + 9a + 3a) + (6a + -9a + 2) = 0

Combine like terms: 9a + 3a = 12a
(-5 + 12a) + (6a + -9a + 2) = 0

Remove parenthesis around (-5 + 12a)
-5 + 12a + (6a + -9a + 2) = 0

Reorder the terms:
-5 + 12a + (2 + 6a + -9a) = 0

Combine like terms: 6a + -9a = -3a
-5 + 12a + (2 + -3a) = 0

Remove parenthesis around (2 + -3a)
-5 + 12a + 2 + -3a = 0

Reorder the terms:
-5 + 2 + 12a + -3a = 0

Combine like terms: -5 + 2 = -3
-3 + 12a + -3a = 0

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

Solving
-3 + 9a = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 9a = 0 + 3

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

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

Divide each side by '9'.
a = 0.3333333333

Simplifying
a = 0.3333333333

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