What must be such subtracted from 7x - 9y + 13z to get 9x +y - z
Answers
Answered by
0
Step-by-step explanation:
7x-9y+13z-(-2x-10y+14z)=9x+y-z
Answered by
4
Answer:
- 2x - 10y + 14z
Step-by-step explanation:
7x - 9y + 13z - ( 9x + y - z )
= 7x - 9y + 13z - 9x - y + z
= 7x - 9x - 9y - y + 13z + z
= - 2x - 10y + 14z
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