3[x-2]=9

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Solution for 3[x-2]=9 equation: 


Simplifying
3[x + -2] = 9

Reorder the terms:
3[-2 + x] = 9
[-2 * 3 + x * 3] = 9
[-6 + 3x] = 9

Solving
-6 + 3x = 9

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 3x = 9 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = 9 + 6
3x = 9 + 6

Combine like terms: 9 + 6 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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