Question

решите уравнение 3/4=9/х+8

Answer 1

 3/4=9/х+8

9/х=3/4-8

9/х=(3-32)/4=-29/4

х=9:(-29/4)=9*(-4/29)=-36/29=-1 7/29

 

Answer 2

$frac{3}{4}=frac{9}{x+8}\3*(x+8)=4*9\3x+24=36\3x=12\x=4$