165-6x=6x+21

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Solution for 165-6x=6x+21 equation:


Simplifying
165 + -6x = 6x + 21

Reorder the terms:
165 + -6x = 21 + 6x

Solving
165 + -6x = 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.
165 + -6x + -6x = 21 + 6x + -6x

Combine like terms: -6x + -6x = -12x
165 + -12x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
165 + -12x = 21 + 0
165 + -12x = 21

Add '-165' to each side of the equation.
165 + -165 + -12x = 21 + -165

Combine like terms: 165 + -165 = 0
0 + -12x = 21 + -165
-12x = 21 + -165

Combine like terms: 21 + -165 = -144
-12x = -144

Divide each side by '-12'.
x = 12

Simplifying
x = 12

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