Ecuaciones ayudenmen8?
Ecuaciones ayudenmen 8. M + 7 = 71 15. B + 30 = 60 2. B + 35 = 53 6. Z + 28 = 64.
Ecuaciones ayudenmen 8. M + 7 = 71 15. B + 30 = 60 2. B + 35 = 53 6. Z + 28 = 64.
Pregunta de Matemáticas · 1 respuesta · 9 votos · mejor respuesta de Pedroeliascruzr
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.
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.
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.