Given that R = 7 x + 5 y Find y when x = 9 and R = 35. Give your answer as an improper fraction in its simplest form.
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R=7x + 5y Find y when x=9 and R=35,Then 35=7×9 +5y = 35=49+5y=49-35=5y=14=5y =y=14/5
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