Question

Решите уравнение:

1/4x-1/2

б) 2/9y=0

в) -2/7z=-2/7

г)2x= -1/3

д) 1/8y=4

м) -6u=2/3

Answer 1

1/4x=1/2

x = 1/2 : 1/4

x = 1/2 * 4/1

x = 2

----------------------

1/4 *2 = 1/2

 

б) 2/9y=0

y = 0:2/9

y=0

--------------

2/9 *0 = 0

 

в) -2/7z=-2/7

z = - 2/7 : - 2/7

z = -2/7 * - 7/2

z = 1

------------------

-2/7 * 1 = - 2/7

 

 

г)2x= -1/3

x = - 1/3 : 2

x = - 1/3 * 1/2

x = -1/6

-------------------

2 * -1/6 = -1/3

 

 

д) 1/8y=4

y = 4:1/8

y = 4/1 * 8/1

y = 32

-------------------

1/8 *32 = 4

 

м) -6u=2/3

u = 2/3 : -6

u = -2/3 * 1/6

u = -1/9

-----------------------------

-6 * -1/9 = 2/3