Fractie subunitara ex : 3/4
Fractie supraunitara ex : 4/3
a. 32/2x+4
32< 2x+4
32 -4/2x+4 -4=
28/2x=
28÷2/2x÷2=
14/x
x={15,16,17,18,...}
b. NU STIU DACA E BINE
2x+3/3x-5
2x+3 > 3x-5
2x+3/3x-5 =
2x+3+5/3x =
2x+8/3x
2x+8÷3x =Cat,rest 0
2x+8÷3x=1 => x=8
c. x-3/6=54/18
x-3/6=3
x-3÷6=3
x-3=3*6
x-3=18
x=18-3
x=15