3x-6=21x-6

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


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

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

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

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

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

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

Solving
3x = 21x

Solving for variable 'x'.

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

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

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

Combine like terms: 21x + -21x = 0
-18x = 0

Divide each side by '-18'.
x = 0

Simplifying
x = 0

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