3x-3=-6x-21

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Solution for 3x-3=-6x-21 equation:


Simplifying
3x + -3 = -6x + -21

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

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

Solving
-3 + 3x = -21 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-3 + 3x + 6x = -21 + -6x + 6x

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

Combine like terms: -6x + 6x = 0
-3 + 9x = -21 + 0
-3 + 9x = -21

Add '3' to each side of the equation.
-3 + 3 + 9x = -21 + 3

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

Combine like terms: -21 + 3 = -18
9x = -18

Divide each side by '9'.
x = -2

Simplifying
x = -2

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