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ramirezzairap2u4lh
29.10.2020 •
Mathematics
15 - 0.75x = 13 -0.50x
+13
+13
28 -0.75x = -0.50x
+ 0.75x + 0.75x
28
0.25%
0.25
0.25
112 = x
The two girls will
have the same
amount of money
after 112 games.
Solved
Show answers
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Ответ:
- 7
Step-by-step explanation:
21 = - 4x - 7
- 4x - 7 = 21
- 4x = 21 + 7
- 4x = 28
x = 28 / - 4
x = - 7