Question

procedimiento y comprovacion de las ecuaciones ax=b

7a=-14
-4n=-16
5v=15
44=-2c
4p=-48
-9x=72
8y=-64
-4f=36
5h=-80
-36
____ = -4
x
-75
____ =5
c
x
____ =-7
-8
h
____ =-4
-24
3x=12



Ayudaaaa es urgente, ocupo todo no solo respuestas​

Answer 1

Explicación paso a paso:

1)

$7a = - 14 \\ a = \frac{ - 14}{7} \\ a = - 2$

comprobamos:

$7a = - 14 \\ 7( - 2) = - 14 \\ - 14 = - 14$

2)

$- 4n = - 16 \\ n = \frac{ -16}{ - 4} \\ n = 4$

comprobamos

$- 4n = - 16 \\ - 4(4) = - 16 \\ - 16 = - 16$

3)

$5v = 15 \\ v = \frac{15}{5} \\ v = 3 \\ comprobamos \\ 5v = 15 \\ 5(3) = 15 \\ 15 = 15$

4)

$44 = - 2c \\ - 2c = 44 \\ - c = \frac{44}{2} \\ c = - 22 \\ comprobamos \\ 44 = - 2c \\ 44 = - 2( - 22) \\ 44 = 44$

5)

$4p = - 48 \\ p = - \frac {48}{4} \\ p = - 12 \\ comprobamos \\ 4p = - 48 \\ 4( - 12) = - 48 \\ - 48 = - 48$

6)

$- 9x = 72 \\ - x = \frac{72}{9} \\ x = - 8 \\ comprobamos \\ - 9x = 72 \\ - 9( - 8) = 72 \\ 72 = 72$

7)

$8y = - 64 \\ y = \frac{ - 64}{8} \\ y = - 8 \\ comprobamos \\ 8y = - 64 \\ 8( - 8) = - 64 \\ - 64 = - 64$

8)

$- 4f = 36 \\ - f = \frac{36}{4} \\ f = - 9 \\ comprobamos \\ - 4f = 36 \\ - 4( - 9) = 36 \\ 36 = 36$

9)

$5h = - 80 \\ h = - \frac{80}{5} \\ f = - 16 \\ comprobamos \\ 5h = - 80 \\ 5( - 16) = - 80 \\ - 80 = - 80$

10)

$\frac{36}{x} = - 4 \\ 36 = - 4x \\ - 4x = 36 \\ x = - \frac{36}{4} \\ x = - 9 \\ comprobamos \\ \\ \frac{36}{x} = - 4 \\ \frac{36}{ - 9} = - 4 \\ - 4 = - 4$

11)

$\frac{ - 75}{c} = 5 \\ - 75 = 5c \\ 5c = - 75 \\ c = - \frac{75}{5} \\ c = - 15 \\ comprobamos \\ \\ \frac{ - 75}{c} = 5 \\ \\ - \frac{75}{ - 15} = 5 \\ 5 = 5$

12)

$\frac{x}{ - 8} = - 7 \\ x = - 7( - 8) \\ x = 56 \\ comprobamos \\ \\ \frac{x}{ - 8} = - 7 \\ \\ \frac{56}{ - 8} = - 7 \\ - 7 = - 7$

13)

$\frac{h}{ - 24} = - 4 \\ h = - 4( - 24) \\ h = 96 \\ comprobamos \\ \frac{h}{ - 24} = - 4 \\ \frac{96}{ - 24} = - 4 \\ - 4 = - 4$

14)

$3x = 12 \\ x = \frac{12}{3} \\ x = 4 \\ comprobamos \\ 3x = 12 \\ 3(4) = 12 \\ 12 = 12$

espero que sea de tu ayuda

Saludos