zekhlm399 zekhlm399
  • 03-01-2024
  • Mathematics
contestada

First, give the sum of the two expressions. Then, subtract the second from the first expression.
1) 4x - 7x
2) -20y - (-40y)
3) -3xy² - 5xy²
4) 9yz - (-14yz)
5) -6x² - (-7x²)

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