Question

4xy+3y-5z,+(-xy)+3y+z and -2x-5y+3z add please give me the answer​

Answer 1

Answer:

3xy + y - z - 2 z

Step-by-step explanation:

4xy + 3y - 5z - xy + 3y + z - 2x - 5y + 3z

4xy - xy + 3y + 3y - 5y - 5z + z + 3z - 2x

3xy + 6y - 5z - 4z + 3z - 2x

= 3xy + y - z - 2z

Answer 2

Answer:

4xy+3y-5z-xy+3y+z-2x-5y+3z

= 4xy-xy+3y+3y-5y-5z+z+3z-2x

= 3xy + y- z -2x