3x-3(3x+13)=-9

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Solution for 3x-3(3x+13)=-9 equation:


Simplifying
3x + -3(3x + 13) = -9

Reorder the terms:
3x + -3(13 + 3x) = -9
3x + (13 * -3 + 3x * -3) = -9
3x + (-39 + -9x) = -9

Reorder the terms:
-39 + 3x + -9x = -9

Combine like terms: 3x + -9x = -6x
-39 + -6x = -9

Solving
-39 + -6x = -9

Solving for variable 'x'.

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

Add '39' to each side of the equation.
-39 + 39 + -6x = -9 + 39

Combine like terms: -39 + 39 = 0
0 + -6x = -9 + 39
-6x = -9 + 39

Combine like terms: -9 + 39 = 30
-6x = 30

Divide each side by '-6'.
x = -5

Simplifying
x = -5

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