Question

vreau rsp repede ,dau coroană ​

Answer 1

Răspuns:

a)17,5 b) habar nu am ,scuze

Answer 2

Răspuns:

$(a) \frac{x}{5}=\frac{7}{2}$⇔$2x=35$⇔$x=\frac{35}{2}$=$17,5$

$(b)\frac{2x+1}{4x+3}=\frac{1}{3}$⇔$3(2x+1)=4x+3$⇔$6x+3=4x+3$⇔$6x-4x=3-3$⇔$2x=0$⇔$x=0$≠$\frac{-3}{4}$

==lucianglont666==

Mult succes!