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marissa [1.9K]
3 years ago
7

*PLEASE HELP ME !!! , READ ATTACHMENTS I WILL GIVE BRAINLIEST !!!

Mathematics
1 answer:
Sladkaya [172]3 years ago
3 0

Answer:

Hello!!

For question twelve, 7z+10-z=8z-2(z-5) is an identity.

For question thirteen, 7y+9=7y-6  has no solution.

Hope this helps!!

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jasenka [17]

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3 years ago
PLEASEEE HELPP
Zina [86]

Answer:

2.0833

Step-by-step explanation:

2 3/4 + 3 1/2 =6.25

6.25(1/3)=2.0833

7 0
1 year ago
Will give brainliest and please show work
daser333 [38]
This will help u.............

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4 years ago
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alexgriva [62]

Answer:

A. |x|=9 D. -|-x|=-9 F. |-x|=9

Step-by-step explanation:

a. |9|=9

D. -|9| = -9

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3 years ago
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olchik [2.2K]
The sum is zero so neither positive or negative
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3 years ago
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