Respuesta :

rosselyngalindo31

Answer:

the answer is 7

Step-by-step explanation:

8d +7=63

-7. -7

_________

8d = 56

__. ___

8. 8

56 divided by 8 is 7

jaejae10099

Answer:

d=-6.88

Step-by-step explanation:

63=-8d+7

-7         -7

55=-8d

55/-8 =-6.88

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