Zadanie z załączniku​

Zadanie Z Załączniku class=

Odpowiedź :

Odpowiedź:

a)

6x = 3

x= 3/6 = 1/2

b)

-3x = 7

3x = - 7

x = -7/3= - 2 1/3

c)

2x = 1/5

x = 1/5 : 2 = 1/5 * 1/2 = 1/10

d)

1,2x = 4,8

x = 4,8 : 1/2 = 4

e)

1/3x = 3

x = 3 * 3 = 9

f)

- 3/5x = - 5

3/5x = 5

x = 5 : 3/5 = 5 * 5/3 = 25/3 = 8 1/3

g)

3/4x = - 4/9

x = - 4/9 : 3/4 = - 4/9 * 4/3 = - 16/27

h)

0,1x = - 7

x = - 7: 0,1 = - 7 : 1/10 = - 7 * 10 = - 70

Odpowiedź:

6x = 3

x = 3 : 6

x = 1/2

spr 6 * 1/2 = 3

-3x = 7

x = - 7 : 3

x = -7/3

x = -7/3

spr  -3 * (-7/3) = 7

2x = 1/5

x = 1/5 : 2 = 1/5 * 1/2

x = 1/10

spr   2 * 1/10 = 1/5

1,2x = 4,8

x = 4,8 : 1/2

x = 4

spr  1,2 * 4 = 4,8

1/3x = 3

x = 3 * 3

x = 9

spr    1/3 * 9 = 9/3 = 3

- 3/5x = - 5

x = -5 : (-3/5) = 5 * 5/3

x = 25/3

spr  -3/5 * 25/3 = -5

3/4x = -4/9

x = - 4/9 : 3/4 = - 4/9 * 4/3

x = -16/27

spr    3/4 * (-16/27) = -4/9

0,1x = -7

x = - 7: 0,1 = - 7 : 1/10 = - 7 * 10

x = -70

spr  0,1 * (-70) = -7