X/x+3=2/5. We are going to do 3-2/5. The first thing you do is make 3 a fraction:[tex] \frac{3}{1}[/tex]. Now the subtraction problem is [tex] \frac{3}{1}- \frac{2}{5} [/tex] Next we have to make common denominators for [tex] \frac{3}{1}[/tex] and [tex] \frac{2}{5}[/tex] [tex] \frac{3*5}{1*5}= \frac{15}{5} \ and \ \frac{2*1}{5*1}= \frac{2}{5}[/tex] Now we are going to subtract. [tex] \frac{15}{5}- \frac{2}{5}= \frac{13}{5}[/tex] So, X/x=[tex]\boxed{ \frac{13}{5}}[/tex] Hoped I helped. :)
