Respuesta :

h + 6.4 = -6.4

h = - 6.4 - 6.4

h = - 12.8

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Answer:

-12.8

Step-by-step explanation:

Switch the roles:

h + 6.4 = -6.4

convert to:

(remember to change the sign as well)

-6.4 - 6.4 = h

calculate:

-6.4 - 6.4 = -12.8

h = -12.8