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Can someone explain me how to do this problem plz

Can Someone Explain Me How To Do This Problem Plz class=

Sagot :

9514 1404 393

Answer:

  (3/8)(10 +x)

Step-by-step explanation:

The basic idea is that you multiply and divide by 1 in the form of the coefficient of x divided by itself.

  [tex]\dfrac{15}{4}+\dfrac{3}{8}x=\dfrac{\left(\dfrac{3}{8}\right)}{\left(\dfrac{3}{8}\right)}\cdot \left(\dfrac{15}{4}+\dfrac{3}{8}x\right)\\\\=\left(\dfrac{3}{8}\right)\cdot \dfrac{\left(\dfrac{15}{4}+\dfrac{3}{8}x\right)}{\left(\dfrac{3}{8}\right)}=\left(\dfrac{3}{8}\right)\cdot \left(\dfrac{15}{4}\cdot \dfrac{8}{3}+x\right)\\\\=\boxed{\dfrac{3}{8}(10+x)}[/tex]