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Angelina_Jolie [31]
3 years ago
12

Twice the difference of a number and 7 is equal to three times the sum of the number and 9

Mathematics
1 answer:
saw5 [17]3 years ago
7 0

Step-by-step explanation:

2x- 7 = 3x + 9

-1× - 7 = 9

-1x = 2

x = -2

*correct me if im wrong*

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