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3 votes
1) 7+a=15

2) 23=d+44



3) 28=n-14



4) T-22=-31

User Eric Burel
by
7.1k points

2 Answers

7 votes
1.7+a=15
subtract 7
a=8
2. 23=d+44
subtract 44
-21=d
3. 28=n-14
add 14
n=42
4.T-22=-31
add 22
t= -9

User Cberzan
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7.7k points
0 votes
Hi, I'd be glad to help.

1) a = 8

2) d = (-21)

3) n = 42

4) t = (-9)
User Aldo Lazuardi
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8.0k points