MatemáticasBásico1 respuestas

Ecuaciones ayudenmen8?

Ecuaciones ayudenmen 8. M + 7 = 71 15. B + 30 = 60 2. B + 35 = 53 6. Z + 28 = 64.

En resumen

1. 8M + 7 = 71 8M = 71 - 7 8M = 64 M = 64 / 8 M = 8 Comprobación 8M + 7 = 71 8(8) + 7 = 71 64 + 7 = 71 71 = 71 2. 15b + 30 = 60 15b = 60 - 30 15b = 30 b = 30 / 15 b = 2 Comprobación 15b + 30 = 60 15(2) + 30 = 60 30 + 30 = 60 60 = 60 3.

Mejor respuesta

Pedroeliascruzr
8

1. 8M + 7 = 71

8M = 71 - 7

8M = 64

M = 64 / 8

M = 8

Comprobación

8M + 7 = 71

8(8) + 7 = 71

64 + 7 = 71

71 = 71

2.

15b + 30 = 60

15b = 60 - 30

15b = 30

b = 30 / 15

b = 2

Comprobación

15b + 30 = 60

15(2) + 30 = 60

30 + 30 = 60

60 = 60

3.

2b + 35 = 53

2b = 53 - 35

2b = 18

b = 18 / 2

b = 9

Comprobación

2b + 35 = 53

2(9) + 35 = 53

18 + 35 = 53

53 = 53

4.

6Z + 28 = 64

6Z = 64 - 28

6Z = 36

Z = 36 / 6

Z = 6

Comprobación

6Z + 28 = 64

6(6) + 28 = 64

36 + 28 = 64

64 = 64.