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Given that 2x-7y=30

Find Y when X=-3
Give your answer as an improper fraction, in its simplest form.

User Xiaofan
by
7.6k points

1 Answer

3 votes

Answer:

y = -
(24)/(7)

Explanation:

Substitute x = - 3 into the expression

2x - 7y = 30

2(- 3) - 7y = 30

- 6 - 7y = 30 ( add 6 to both sides )

- 7y = 36 ( divide both sides by - 7 )

y =
(36)/(-7) = -
(36)/(7)

User Christopher Aldama
by
6.9k points