12x² - 3.5y + 10y + 1.5x² + y Combine like terms
13.5x² + 7.5y
Answer:0.483
Step-by-step explanation:
Answer:
Step-by-step explanation:
You should start by
Adding a negative number is the same as subtracting a positive number. So 2315.5 - 3166.75 = -851.25