3x-9+3x=39

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Solution for 3x-9+3x=39 equation: 


Simplifying
3x + -9 + 3x = 39

Reorder the terms:
-9 + 3x + 3x = 39

Combine like terms: 3x + 3x = 6x
-9 + 6x = 39

Solving
-9 + 6x = 39

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 + 6x = 39 + 9

Combine like terms: -9 + 9 = 0
0 + 6x = 39 + 9
6x = 39 + 9

Combine like terms: 39 + 9 = 48
6x = 48

Divide each side by '6'.
x = 8

Simplifying
x = 8

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