3(x-2)-3=-21

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


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

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

Reorder the terms:
-6 + -3 + 3x = -21

Combine like terms: -6 + -3 = -9
-9 + 3x = -21

Solving
-9 + 3x = -21

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 = -21 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = -21 + 9
3x = -21 + 9

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

Divide each side by '3'.
x = -4

Simplifying
x = -4

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