1wrey 1wrey
  • 10-07-2020
  • Mathematics
contestada

7.5+k=10 7.5+k-7.5=10-7.5 step 1 k=2.5 step 2

find her mistake
a: step 1
b: step 2
c: no mistake

Respuesta :

kelibode
kelibode kelibode
  • 10-07-2020

Answer:

C

Step-by-step explanation:

ERROR

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