X=90+2x-21

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Solution for X=90+2x-21 equation: 


Simplifying
X = 90 + 2x + -21

Reorder the terms:
X = 90 + -21 + 2x

Combine like terms: 90 + -21 = 69
X = 69 + 2x

Solving
X = 69 + 2x

Solving for variable 'X'.

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

Simplifying
X = 69 + 2x

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