21x=54-6x

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Solution for 21x=54-6x equation:


Simplifying
21x = 54 + -6x

Solving
21x = 54 + -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.
21x + 6x = 54 + -6x + 6x

Combine like terms: 21x + 6x = 27x
27x = 54 + -6x + 6x

Combine like terms: -6x + 6x = 0
27x = 54 + 0
27x = 54

Divide each side by '27'.
x = 2

Simplifying
x = 2

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