Given that 2
x
−
7
y
=
30

Find
y
when
x
=
−
3

Give your answer as an improper fraction in its simplest form.
Please give steps :)

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x