Question

cat face ecuatia 6x(5+2n)=30

Answer 1

5+2n= 30:6; 5+2n=5; 2n=5-5; 2n=0; n=0

Answer 2

eu am 2 moduri pentru asta.. I. 6•(5+2n)=30; 6•5+6•2n=30; 30+12n=30;12n=0 => n =0:12;n=0... sau... II. 6•(5+2n)=30; 5+2n =30:6 ; 5+2n=5 ;2n=5-5;2n=0 => n=0:2;n=0.. sper ca te.am ajutat ;)