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

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


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

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

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

Combine like terms: (9a) + (3a) = 12a
0 = 12a

Solving
0 = 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.
0 + -12a = 12a + -12a
Remove the zero:
-12a = 12a + -12a

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

Divide each side by '-12'.
a = 0

Simplifying
a = 0

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