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Given that R = 6 x + 5 y Find y when x = 7 and R = 18 Give your answer as an improper fraction in its simplest form.
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Given that R = 6 x + 5 y Find y when x = 7 and R = 18 Give your answer as an improper fraction in its simplest form.
asked
Apr 3, 2022
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Given that
R
=
6
x
+
5
y
Find
y
when
x
=
7
and
R
=
18
Give your answer as an improper fraction in its simplest form.
Mathematics
college
Retro Gamer
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Retro Gamer
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1
Answer
5
votes
R = 6x + 5y
x = 7, R = 18
Substitute them in: 18 = 6(7) + 5y
18 = 42 + 5y
-24 = 5y
y = -24/5
It’s already in its simplest form
Grant BlahaErath
answered
Apr 7, 2022
by
Grant BlahaErath
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