what should be subtracted from 7x_8y to get x+y+z?
akmalvi:
is it 7x-8y
??
(7x-8y) - (6x-9y+z)
Answers
Answered by
1
6x+7y-z
7x-8y-(6x+7y-z)
=7x-8y-6x-7y+z
=x+y+z
-8y-7y=-15y
-8y-7y= - 15y
Answered by
0
Answer:
Step-by-step explanation:
(7x-8y) - (6x-9y-z)
7x-8y-6x+9y+z
x+y+z
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