3[x-5]=9

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Solution for 3[x-5]=9 equation: 


Simplifying
3[x + -5] = 9

Reorder the terms:
3[-5 + x] = 9
[-5 * 3 + x * 3] = 9
[-15 + 3x] = 9

Solving
-15 + 3x = 9

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 3x = 9 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = 9 + 15
3x = 9 + 15

Combine like terms: 9 + 15 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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