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Given that R = 4 x + 4 y Find x when y = 9 and R = 6 Give your answer as an improper fraction in its simplest form.
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1 vote
Given that

R
=
4
x
+
4
y

Find
x
when
y
=
9
and
R
=
6

Give your answer as an improper fraction in its simplest form.

User David Bullock
by
5.2k points

1 Answer

6 votes

Answer:

x = -15/2

6 = 4x + 4(9)

4x = -30

x = -30/4 = -15/2

User Jaanna
by
5.5k points
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