21x=20x

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Solution for 21x=20x equation: 


Simplifying
21x = 20x

Solving
21x = 20x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-20x' to each side of the equation.
21x + -20x = 20x + -20x

Combine like terms: 21x + -20x = 1x
1x = 20x + -20x

Combine like terms: 20x + -20x = 0
1x = 0

Divide each side by '1'.
x = 0

Simplifying
x = 0

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