Question

Aflati x si y din relatiile: x+y =150 si 3x=2y

Answer 1

[tex]x+y=150 \Longrightarrow x=150-y \\ 3x=2y \\ 3(150-y)=2y \\ 450-3y=2y \\ 5y=450 \\ \boxed{y=90} \\ x=150-90 \\ \boxed{x=60}[/tex]

Answer 2

 x+y =150=>y=150-x
 3x=2y=>3x=2(150-x)=>3x=300-2x=>5x=300=>x=60y=150-60=>y=90