Question

Given that

R
=
2
x
+
2
y

Find
y
when
x
=
9
and
R
=
29

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

Answer 1

Answer: y=11/2

Explanation:

r = 2x + 2y

29=2(9) + 2y

29=18 + 2y

11 = 2y

11/2 = y