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

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

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

Combine like terms: 21x + -21x = 0
-6 + -18x = 6 + 0
-6 + -18x = 6

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

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

Combine like terms: 6 + 6 = 12
-18x = 12

Divide each side by '-18'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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