X(x-7)=x-21

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Solution for X(x-7)=x-21 equation:


Simplifying
X(x + -7) = x + -21

Reorder the terms:
X(-7 + x) = x + -21
(-7 * X + x * X) = x + -21
(-7X + xX) = x + -21

Reorder the terms:
-7X + xX = -21 + x

Solving
-7X + 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 + -7X + -1x + xX = -21 + x + 21 + -1x

Reorder the terms:
21 + -7X + -1x + xX = -21 + 21 + x + -1x

Combine like terms: -21 + 21 = 0
21 + -7X + -1x + xX = 0 + x + -1x
21 + -7X + -1x + xX = x + -1x

Combine like terms: x + -1x = 0
21 + -7X + -1x + xX = 0

The solution to this equation could not be determined.

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