21x=22x-9

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Solution for 21x=22x-9 equation: 


Simplifying
21x = 22x + -9

Reorder the terms:
21x = -9 + 22x

Solving
21x = -9 + 22x

Solving for variable 'x'.

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

Add '-22x' to each side of the equation.
21x + -22x = -9 + 22x + -22x

Combine like terms: 21x + -22x = -1x
-1x = -9 + 22x + -22x

Combine like terms: 22x + -22x = 0
-1x = -9 + 0
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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