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Zachary purchased a computer for $1,600 on a payment plan. Three months after he purchased the computer, his balance was $1,225. Four months after he purchased
the computer, his balance was $1,100. 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.)
