3(-x-3)=12

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


Simplifying
3(-1x + -3) = 12

Reorder the terms:
3(-3 + -1x) = 12
(-3 * 3 + -1x * 3) = 12
(-9 + -3x) = 12

Solving
-9 + -3x = 12

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -3x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -3x = 12 + 9
-3x = 12 + 9

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

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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