Answered

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Given that
R
=
3
x
+
9
y

Find
x
when
y
=
6
and
R
=
7

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

Sagot :

Syahbanazackiidn

Step-by-step explanation:

R = 3x + 9y

When y = 6 and R = 7

7 = 3x + 9.6

7 = 3x + 54

7 - 54 = 3x

-47 = 3x

x = -47/3

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