9=6a+3-3a

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Solution for 9=6a+3-3a equation:


Simplifying
9 = 6a + 3 + -3a

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

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

Solving
9 = 3 + 3a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '-3'.
a = 2

Simplifying
a = 2

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