X(x-3)=x+21

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Solution for X(x-3)=x+21 equation: 


Simplifying
X(x + -3) = x + 21

Reorder the terms:
X(-3 + x) = x + 21
(-3 * X + x * X) = x + 21
(-3X + xX) = x + 21

Reorder the terms:
-3X + xX = 21 + x

Solving
-3X + xX = 21 + x

Solving for variable 'X'.

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

Reorder the terms:
-21 + -3X + -1x + xX = 21 + x + -21 + -1x

Reorder the terms:
-21 + -3X + -1x + xX = 21 + -21 + x + -1x

Combine like terms: 21 + -21 = 0
-21 + -3X + -1x + xX = 0 + x + -1x
-21 + -3X + -1x + xX = x + -1x

Combine like terms: x + -1x = 0
-21 + -3X + -1x + xX = 0

The solution to this equation could not be determined.

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