3x-6+6=21+6

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Solution for 3x-6+6=21+6 equation: 


Simplifying
3x + -6 + 6 = 21 + 6

Reorder the terms:
-6 + 6 + 3x = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = 21 + 6
3x = 21 + 6

Combine like terms: 21 + 6 = 27
3x = 27

Solving
3x = 27

Solving for variable 'x'.

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

Divide each side by '3'.
x = 9

Simplifying
x = 9

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