Question

daca numerele 2x+1 si 5x-3 sunt direct proportionale cu 6 si 4 ,cu cat este egal x

Answer 1

$\frac{2x+1}{6}= \frac{5x-3}{4}=>4(2x+1)=6(5x-3) \\ 4(2x+1)=6(5x-3) <=> 8x+4=30x-18 => \\ =>4+18=30x-8x <=> 22=22x =>x=1$