x-3(9-4x)=12

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


Simplifying
x + -3(9 + -4x) = 12
x + (9 * -3 + -4x * -3) = 12
x + (-27 + 12x) = 12

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

Combine like terms: x + 12x = 13x
-27 + 13x = 12

Solving
-27 + 13x = 12

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 13x = 12 + 27

Combine like terms: -27 + 27 = 0
0 + 13x = 12 + 27
13x = 12 + 27

Combine like terms: 12 + 27 = 39
13x = 39

Divide each side by '13'.
x = 3

Simplifying
x = 3

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