3x+3x-8=3x-21x-8

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Solution for 3x+3x-8=3x-21x-8 equation:


Simplifying
3x + 3x + -8 = 3x + -21x + -8

Reorder the terms:
-8 + 3x + 3x = 3x + -21x + -8

Combine like terms: 3x + 3x = 6x
-8 + 6x = 3x + -21x + -8

Reorder the terms:
-8 + 6x = -8 + 3x + -21x

Combine like terms: 3x + -21x = -18x
-8 + 6x = -8 + -18x

Add '8' to each side of the equation.
-8 + 8 + 6x = -8 + 8 + -18x

Combine like terms: -8 + 8 = 0
0 + 6x = -8 + 8 + -18x
6x = -8 + 8 + -18x

Combine like terms: -8 + 8 = 0
6x = 0 + -18x
6x = -18x

Solving
6x = -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
6x + 18x = -18x + 18x

Combine like terms: 6x + 18x = 24x
24x = -18x + 18x

Combine like terms: -18x + 18x = 0
24x = 0

Divide each side by '24'.
x = 0

Simplifying
x = 0

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