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Ira Lisetskai [31]
3 years ago
15

An equation is shown below:

Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0

Step-by-step explanation:

12x - 66 +15 = 3x +12

12x -3x = 66 -15+12

9x = 63

x = 63/9

x = 7

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