Question

Subpunctele b);f);j);n)
DAU COROANA

Answer 1

Răspuns:

Explicație pas cu pas:

b)

4 x + 12 = 0

4 x = - 12

x = ( - 12 ) : 4

x = - 3

_____________

f)  

10 = 7 x - 4

7 x = 10 + 4

x = 14 : 7

x = 2

_________________

j)

5 x - 6 = 14

5 x = 14 + 6

5 x = 20

x = 20 : 5

x = 4

________________

n)

- 6 x + 4 = - 8

- 6 x = - 8 - 4

- 6 x = - 12

x = ( - 12 ) : ( - 6 )

x = 2