Respuestas
Respuesta dada por:
9
6r-5t=-11 7+-8r=15 r = -1
-6 - 5t = -11 -8r = 8 t = 1
-5t = -5 r = -1
t = 1
5x+y=38 3x-4y=32 y = -2
y = 38 - 5x 3x - 4 (38 - 5x) = 32 x = 8
y = 38 - 5 (8) 3x - 152 + 20x = 32
y = 38 -40 23x = 184
y = -2 x = 8
9x-2y=3
7y-12x=17
--------------
-3x + 5y = 20
5y - 20 = 3x
7y - 12x = 17
7y - 4 (5y-20) = 17
7y - 20y + 80 = 17
-13y = -63
y =![\frac{63}{13} \frac{63}{13}](https://tex.z-dn.net/?f=++%5Cfrac%7B63%7D%7B13%7D+)
9x-2y=3
9x -
= 3
= 3
117x - 126 = 39
117x = 165
x =![\frac{165}{117} \frac{165}{117}](https://tex.z-dn.net/?f=+%5Cfrac%7B165%7D%7B117%7D+)
-6 - 5t = -11 -8r = 8 t = 1
-5t = -5 r = -1
t = 1
5x+y=38 3x-4y=32 y = -2
y = 38 - 5x 3x - 4 (38 - 5x) = 32 x = 8
y = 38 - 5 (8) 3x - 152 + 20x = 32
y = 38 -40 23x = 184
y = -2 x = 8
9x-2y=3
7y-12x=17
--------------
-3x + 5y = 20
5y - 20 = 3x
7y - 12x = 17
7y - 4 (5y-20) = 17
7y - 20y + 80 = 17
-13y = -63
y =
9x-2y=3
9x -
117x - 126 = 39
117x = 165
x =
Preguntas similares
hace 6 años
hace 9 años
hace 9 años
hace 9 años