Question

vreau rezolvare.
1) aflați x daca:
a)(18•x+24):48=5
b)(12•x+14):34=5
c)(14•x+12):36=5
d)(16•x+22):46=5
​

Answer 1

Răspuns:

18x+24=5×48

18×+24=240

18x=240-24

18x=216

x=216:18

x=12

exact dupa acelasi model se fac si celelalte