Question

XY-YZ+2;2YZ+XY-7and 3XY +3YZ+3

Answer 1

Step-by-step explanation:

Given XY-YZ+2;2YZ+XY-7and 3XY +3YZ+3

• We need to add the given expression.  
• Now the expression will be  
•       So xy – yz + 2 + 2yz + xy – 7 + 3xy + 3yz + 3
• Grouping the terms we get
•     So xy + xy + 3xy – yz + 2yz + 3yz + 2 – 7 + 3
•      So 5xy + 4yz – 2
• So we get the expression as 5xy + 4yz - 2

Reference link will be

https://brainly.in/question/26775071