Question
Solve the equation:
$4 x-3 y=8,18 x-3 y=29$
$4 x-3 y=8,18 x-3 y=29$
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| Diameter of heart (in mm) | 120 | 121 | 122 | 123 | 124 | 125 |
| Number of patients | 7 | 9 | 15 | 12 | 6 | 11 |
