Question

exercitiul 1 va rog frumos​

Answer 1

a) x= -8/4

x= -2

b) 8x-7x=4+6

x=10

c) 3x+3=2x+6

3x-2x=6-3

x=3

d) 3x< -4+1

3x< -3

x< -3/3

x< -1

e) x>/ 11/2

f) 10-[9-(8-x)+3]=9-11

10-[9-(8-x)+3]= -2

9-(8-x)+3= 10+2

9-(8-x)+3=12

9-(8-x)=12-3

9-(8-x)=9

8-x=9-9

8-x=0

x=8