-3(2x-4)+9=12

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Solution for -3(2x-4)+9=12 equation:


Simplifying
-3(2x + -4) + 9 = 12

Reorder the terms:
-3(-4 + 2x) + 9 = 12
(-4 * -3 + 2x * -3) + 9 = 12
(12 + -6x) + 9 = 12

Reorder the terms:
12 + 9 + -6x = 12

Combine like terms: 12 + 9 = 21
21 + -6x = 12

Solving
21 + -6x = 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 + -6x = 12 + -21

Combine like terms: 21 + -21 = 0
0 + -6x = 12 + -21
-6x = 12 + -21

Combine like terms: 12 + -21 = -9
-6x = -9

Divide each side by '-6'.
x = 1.5

Simplifying
x = 1.5

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