👤
Efdsfasdfasdf
a fost răspuns

Rezolvati ecuatiile

a) 2 x -2 supra 7 = 8

b) 3 supra 17 x = 9 supra 34

c) 4 supra 9x - 3 supra 2 = 1 supra 6

Răspuns :

Nitugheorghe57
2X-2/7=8⇒56=2X-2⇒56+2=2X=58⇒X=58/2⇒X=29
3/17X=9/34⇒9×(17X)=34×3⇒153X=102⇒X=102/153⇒X=34/51
4/9x-3/2=1/6⇒4/9x=3/2+1/6⇒4/9x=9+1/6⇒4/9x=10/6⇒(9x)×10=24⇒90x=24⇒x=24/90⇒x=12/45
succes

Alte intrebari