Respuesta :

gmany

Answer:

HJ = 17

Step-by-step explanation:

The equation:

2 + HI + 12 = 7 + 12

HI + 14 = 19             subtract 14 from both sides

HI = 5

HJ = HI + 12

Substitute the value of HI:

HJ = 5 + 12 = 17

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