6x+3x-9=9

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


Simplifying
6x + 3x + -9 = 9

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

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

Solving
-9 + 9x = 9

Solving for variable 'x'.

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

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

Combine like terms: -9 + 9 = 0
0 + 9x = 9 + 9
9x = 9 + 9

Combine like terms: 9 + 9 = 18
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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