what is the value of y in the diagram? hurry please

Answer:
The value of y is [tex]8\ units[/tex]
Step-by-step explanation:
Applying proportion
[tex]\frac{6+4}{4}=\frac{y+y+4}{y}\\ \\\frac{10}{4}=\frac{2y+4}{y}\\ \\10y=8y+16\\ \\10y-8y=16\\ \\2y=16\\ \\y=8\ units[/tex]