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

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

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

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

Combine like terms: 21 + 3 = 24
-3x = 24

Divide each side by '-3'.
x = -8

Simplifying
x = -8

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