Respuesta :
3/5=7/x multiply both sides by x
3x/5=7 multiply both sides by 5
3x=35 divide both sides by 3
x=35/3 or if you prefer 11 2/3
3x/5=7 multiply both sides by 5
3x=35 divide both sides by 3
x=35/3 or if you prefer 11 2/3