Răspuns :
m=3=> 2(5×3+3)=2(15+3)=2×18=36
m=4=> 2(5×4+3)=2(20+3)=2×23=46
m=5=> 2(5×5+3)=2(25+3)=2×28=56
m=4=> 2(5×4+3)=2(20+3)=2×23=46
m=5=> 2(5×5+3)=2(25+3)=2×28=56
2(5m+3)=3
10m+6=3
10m=3 - 6
m= - 3/10
2(5m+3)=4
10m=4 - 6
m= - 2/10= -1/5
2(5m+3)=5
10m=5 - 6
m= - 1/10
Sper că te-am ajutat!