-3(-3X-2)=-21

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Solution for -3(-3X-2)=-21 equation: 


Simplifying
-3(-3X + -2) = -21

Reorder the terms:
-3(-2 + -3X) = -21
(-2 * -3 + -3X * -3) = -21
(6 + 9X) = -21

Solving
6 + 9X = -21

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + -6 + 9X = -21 + -6

Combine like terms: 6 + -6 = 0
0 + 9X = -21 + -6
9X = -21 + -6

Combine like terms: -21 + -6 = -27
9X = -27

Divide each side by '9'.
X = -3

Simplifying
X = -3

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