X(2x)=400

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Solution for X(2x)=400 equation: 


Simplifying
X(2x) = 400

Remove parenthesis around (2x)
X * 2x = 400

Reorder the terms for easier multiplication:
2X * x = 400

Multiply X * x
2xX = 400

Solving
2xX = 400

Solving for variable 'x'.

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

Divide each side by '2X'.
x = 200X-1

Simplifying
x = 200X-1

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