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faltersainse [42]
3 years ago
6

Very urgent please help me

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
4 0

Answer:

Step-by-step explanation:

8r + 9 + 7r + 6 = 90

15r + 15 = 90

15r = 75

r = 5

8(5) + 9 = 40 + 9 = 49

7(5) + 6 = 35 + 6 = 41

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3 years ago
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sergij07 [2.7K]
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3 years ago
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dmitriy555 [2]

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5 0
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Read 2 more answers
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aleksklad [387]
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