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

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


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

Reorder the terms:
4x + -3(-9 + 3x) = 12
4x + (-9 * -3 + 3x * -3) = 12
4x + (27 + -9x) = 12

Reorder the terms:
27 + 4x + -9x = 12

Combine like terms: 4x + -9x = -5x
27 + -5x = 12

Solving
27 + -5x = 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 + -5x = 12 + -27

Combine like terms: 27 + -27 = 0
0 + -5x = 12 + -27
-5x = 12 + -27

Combine like terms: 12 + -27 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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