How do you solve $(x-3)/x=9/10$ ?

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Answer 1 · 2016-09-08T14:23:42

$x = 30$

If you have an equation with one fraction on each side, then you can get rid of the denominators by cross-multiplying.

$10(x-3) = 9x$

$10x -30 = 9x$

$10x-9x = 30$

$x = 30$

How do you solve (x-3)/x=9/10(x-3)/x=9/10?