7z + 10 - z = 8z - 2(z - 5)
7z + 10 - z = 8z - 2z + 10
6z + 10 = 6z + 10
6z - 6z = 10 - 10
0 = 0
Therefore, 7z + 10 - z = 8z - 2(z - 5)
Answer:
25y-3z-8
Step-by-step explanation:
happy to help
5+5= 10
10 time 9b is 90b
10 times -7 is -70
Then 90b-70
Step-by-step explanation:

- Cost of one dozen of note books ( 12 note books ) = Rs 252


Finding the cost of 1 note book :
⟼ 
Finding the cost of 10 note books :
⟼ 

Hope I helped ! ツ
Have a wonderful day / night ! ♡
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I think you need to multiply