300*.7x=40*.9x

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Solution for 300*.7x=40*.9x equation: 


Simplifying
300 * 0.7x = 40 * 0.9x

Multiply 300 * 0.7
210x = 40 * 0.9x

Multiply 40 * 0.9
210x = 36x

Solving
210x = 36x

Solving for variable 'x'.

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

Add '-36x' to each side of the equation.
210x + -36x = 36x + -36x

Combine like terms: 210x + -36x = 174x
174x = 36x + -36x

Combine like terms: 36x + -36x = 0
174x = 0

Divide each side by '174'.
x = 0

Simplifying
x = 0

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