karl07

1 Questions
0 Answers

0

431

0

+4

pls. help me with this

Perform the indicated operations and simplify:
1. Add: 7x + 6y + 5z and 4x – 5y + 8z
2. Subtract 4xy + 5yz – 6wz from the sum of 5xy + 4yz + 3wz and 5xy + 6wz – 7yz
3. 3 - 4 + read more ..

karl07 Dec 12, 2020