👤
a fost răspuns

b)2x+1/8=x+3/6
c)x+2/2x+1+7/65
d)3x+2/2x+5=7/6
e)8x+5/4x/9=7/10

Răspuns :

Chris02Junior
b. x=3/6 - 1/8 = (12-3)/24 = 9/24 = 3/8
c. enunt eronat
d. 3x+x=7/6  -  5
     4x = (7-30)/6= -23/6
x= -23/24
e. 8x + 45/4x = 7/10, numitor comun 20x
   160x^2 -14x + 45*5 = 0
x1,2 = (7 +/- rad(49 -160*45*5)/160, radacini pur complexe ∈ C-R
    

Alte intrebari