Zachary purchased a computer for $1.900 on a payment plan. Three months after he purchased the computer, his balance was $1.525. Eight months after he purchased the computer, his balance was
$900. What is an equation that models the balance y after x months?
The equation models the balance y after x months.
(Type your answer in slope-intercept form. Use integers or fractions for any numbers in the equation. Do not include the $ symbol in your answer)