234483279c20
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  • 18-09-2019
  • Mathematics
contestada

I need help with #9 and plz show work :)

I need help with 9 and plz show work class=

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gmany
gmany gmany
  • 18-09-2019

Answer:

[tex]\large\boxed{q=\dfrac{1-pr}{p}}[/tex]

Step-by-step explanation:

[tex]p(q+r)=1\qquad\text{use the distributive property}\\\\pq+pr=1\qquad\text{subtract}\ pr\ \text{from both sides}\\\\pq=1-pr\qquad\text{divide both sides by}\ p\neq0\\\\q=\dfrac{1-pr}{p}[/tex]

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