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Please help me. marking brain list

Please help me. marking brain list
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25 votes
Please help me. marking brain list

Please help me. marking brain list-example-1
User Dan Soltesz
by
8.1k points

2 Answers

12 votes
1. 23 = 4d + 5
-5 -5
18 = 4d
— —
4 4
4.5 = d


2. 3w + 15 = 45
-15 -15
3w = 30
— —
w = 10
User Miguel
by
8.0k points
7 votes

Answer:

1.23=4f+5

=4d=23-5=18

=d=18/4=4.5

2.3w+15=45

=3w=45-15=30

=w=10

User Mohse Taheri
by
8.5k points
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