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Given that R=9x+8y Find x when y=8 and R=4 Give your answer as an improper fraction in its simplest form.
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Given that

R=9x+8y
Find x when y=8 and R=4
Give your answer as an improper fraction in its simplest form.

User CoffeJunky
by
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1 Answer

8 votes

Answer:


-(20)/(3)

Explanation:


R=9x+8y\\\\4=9x+8(8)\\\\9x+8(8)=4\\\\9x+64=4\\\\9x+64-64=4-64\\\\9x=-60\\\\(9x=-60)/(9) \\\\x=-(60)/(9)=\boxed{-(20)/(3)}

Hope this helps.

User Kushagra Sharma
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