Resolver cada ecuacion y verifica la soluciona)?
Resolver cada ecuacion y verifica la solucion a). 5x + 20 = 65 b). 8z - 14 + 3z = 19 c). M + 3 / 5 = 11 d). 1 / 4n - 5 / 8 = - 1 / 24.
Resolver cada ecuacion y verifica la solucion a). 5x + 20 = 65 b). 8z - 14 + 3z = 19 c). M + 3 / 5 = 11 d). 1 / 4n - 5 / 8 = - 1 / 24.
En resumen
A. 5x + 20 = 65 5x = 65 - 20 5x = 45 X = 45 / 5 X = 9 Comprobacion 5. 9 + 20 = 65 45 + 20 = 65 65 = 65 B. 8z - 14 + 3z = 19 8z + 3z = 19 + 14 11z = 33 Z = 33 / 11 Z = 3 Comprobacion 8. (3) - 14 + 3(3) = 19 24 - 14 + 9 = 19 10 + 9 = 19 19 = 19 C.
A. 5x + 20 = 65
5x = 65 - 20
5x = 45
X = 45 / 5
X = 9
Comprobacion
5.
9 + 20 = 65
45 + 20 = 65
65 = 65
B.
8z - 14 + 3z = 19
8z + 3z = 19 + 14
11z = 33
Z = 33 / 11
Z = 3
Comprobacion
8.
(3) - 14 + 3(3) = 19
24 - 14 + 9 = 19
10 + 9 = 19
19 = 19
C.
M + 3 / 5 = 11
M = 11 - 3 / 5
M = 52 / 5
Comprobacion
52 / 5 + 3 / 5 = 11
55 / 5 = 11
11 = 11
D.
1 / 4n - 5 / 8 = - 1 / 24
1 / 4n = - 1 / 24 + 5 / 8
1 / 4n = ( - 1 + 15) = 24
1 / 4n = 14 / 24
1 / 4n = 7 / 12
N = 7 / 12 : 1 / 4
N = 28 / 12
N = 14 / 6
N = 7 / 3
Comprobacion
1 / 4.
7 / 3 - 5 / 8 = - 1 / 24
7 / 12 - 5 / 8 = - 1 / 24
(14 - 15) / 24 = - 1 / 24 - 1 / 24 = - 1 / 24
Listoo.
Lo siento mucho pero no lo sé.
Puedes resolverlos por teorema de factor 0 donde a * b = 0 si y solo si a = 0 o b = 0 a) x² - 6x = 0 = x (x - 6) = 0 = x1 = 0 o x2 = 6 b) x² + 27x = 0 = x(x + 27) = 0 X1 = 0 o x2 = - 27 c) 3x² + 5x = 0 = x(3x + 5) = 0…