Fractions and Largest Common Multiple, Algebra, Numerator and Denominator Identical Numbers?

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This is the question find $x$ of equation:

$$\frac{5x-2}{5} - \frac{2x+3}{2} = 3$$

I tried multiplying this all by 10, the LCM. It ended with:

$x -x=49.$

How do you solve this without cancelling the $x$ out of the equation?

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There is no solution for the equation, maybe cause the question is wrong. Look that,

$$\frac{5x-2}{5}-\frac{2x+3}{2}=3$$

is equals

$$10x-4-10x-15=30$$

i.e,

$$0=49,$$

this is absurd.