3(x+9)-6=12

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Solution for 3(x+9)-6=12 equation:


Simplifying
3(x + 9) + -6 = 12

Reorder the terms:
3(9 + x) + -6 = 12
(9 * 3 + x * 3) + -6 = 12
(27 + 3x) + -6 = 12

Reorder the terms:
27 + -6 + 3x = 12

Combine like terms: 27 + -6 = 21
21 + 3x = 12

Solving
21 + 3x = 12

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = 12 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 12 + -21
3x = 12 + -21

Combine like terms: 12 + -21 = -9
3x = -9

Divide each side by '3'.
x = -3

Simplifying
x = -3

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