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  • 10-04-2018
  • Mathematics
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Solve using inverse operations

1. 5x + 10 = 15


2. r/4 - 1 = 4

Respuesta :

dpokharnaotzjgn
dpokharnaotzjgn dpokharnaotzjgn
  • 10-04-2018
1)

5x + 10 = 15
      - 10  - 10

5x = 5

x = 1




2)

r/4 - 1 = 4
     + 1+ 1

r/4 = 5
 *4  *4

r = 20


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