72-6x=21x+21

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Solution for 72-6x=21x+21 equation:


Simplifying
72 + -6x = 21x + 21

Reorder the terms:
72 + -6x = 21 + 21x

Solving
72 + -6x = 21 + 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.
72 + -6x + -21x = 21 + 21x + -21x

Combine like terms: -6x + -21x = -27x
72 + -27x = 21 + 21x + -21x

Combine like terms: 21x + -21x = 0
72 + -27x = 21 + 0
72 + -27x = 21

Add '-72' to each side of the equation.
72 + -72 + -27x = 21 + -72

Combine like terms: 72 + -72 = 0
0 + -27x = 21 + -72
-27x = 21 + -72

Combine like terms: 21 + -72 = -51
-27x = -51

Divide each side by '-27'.
x = 1.888888889

Simplifying
x = 1.888888889

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