300*.3x=40*.1x

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Solution for 300*.3x=40*.1x equation: 


Simplifying
300 * 0.3x = 40 * 0.1x

Multiply 300 * 0.3
90x = 40 * 0.1x

Multiply 40 * 0.1
90x = 4x

Solving
90x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
90x + -4x = 4x + -4x

Combine like terms: 90x + -4x = 86x
86x = 4x + -4x

Combine like terms: 4x + -4x = 0
86x = 0

Divide each side by '86'.
x = 0

Simplifying
x = 0

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