Suma y resta de ecuaciones

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Suma y resta de ecuaciones

Resuelve los ejercicios correctamente

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3 + x = 10

1 point

7

13

10

Clear selection

x – 5 = 20

1 point

8

25

9

Clear selection

x + 50 = 100

1 point

50

30

20

Clear selection

7 + x = 30

1 point

20

37

23

Clear selection

Submit

Clear form

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