900(0.4x)=90

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Solution for 900(0.4x)=90 equation: 


Simplifying
900(0.4x) = 90

Remove parenthesis around (0.4x)
900 * 0.4x = 90

Multiply 900 * 0.4
360x = 90

Solving
360x = 90

Solving for variable 'x'.

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

Divide each side by '360'.
x = 0.25

Simplifying
x = 0.25

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