-4(3x-3)-2x=-3x-21

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Solution for -4(3x-3)-2x=-3x-21 equation:


Simplifying
-4(3x + -3) + -2x = -3x + -21

Reorder the terms:
-4(-3 + 3x) + -2x = -3x + -21
(-3 * -4 + 3x * -4) + -2x = -3x + -21
(12 + -12x) + -2x = -3x + -21

Combine like terms: -12x + -2x = -14x
12 + -14x = -3x + -21

Reorder the terms:
12 + -14x = -21 + -3x

Solving
12 + -14x = -21 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
12 + -14x + 3x = -21 + -3x + 3x

Combine like terms: -14x + 3x = -11x
12 + -11x = -21 + -3x + 3x

Combine like terms: -3x + 3x = 0
12 + -11x = -21 + 0
12 + -11x = -21

Add '-12' to each side of the equation.
12 + -12 + -11x = -21 + -12

Combine like terms: 12 + -12 = 0
0 + -11x = -21 + -12
-11x = -21 + -12

Combine like terms: -21 + -12 = -33
-11x = -33

Divide each side by '-11'.
x = 3

Simplifying
x = 3

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