



 
Hi Amanda, Multiplying $\frac{5x}{x}$ by $x$ gives \[x \times \frac{5x}{x}.\] The $x$ multiplier and the $x$ in the denominator cancel and hence \[x \times \frac{5x}{x} = 5x.\] Hence multiplying both sides of your equation by $x$ yields \[15x  (5x) = 30x\] Solve for $x.$ Make sure you verify your answer,  


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