Question

va rog multtt!! exercitiul 9

Answer 1

a) 0.4x=5/2+11/2

    0.4x=/5+11/2

    0.4x=8

    x=20

b) 0.2x-0.02=0.002

  0.2x=0.002+0.02

  0.2x=0.022

  x=0.11

c) 1.1x=0.012+10.988

   1.1x=11

x=10

d) 3×8+2⁴÷2³=0.5x+1

24+2=0.5x+1

26=0.5x+1

-0.5x=1-26

-0.5x=-25

x=50