Respuesta :

7x-4=31
7x=31+4
7x=35
x=35/7=5

4y+8=24 
4y=24-8
4y=16
y=16/4=4

Hence, x=5;y=4


Answer:  x=5 and y=4

Step-by-step explanation:

From the given picture, it can be seen that the coressponding sides of the triangles are equal such that [tex]7x-4=31\\\\\Rightarrow7x=35\\\\\Rightarrow x=\frac{35}{7}\\\\\Rightarrow x=5[/tex]

Also, [tex]4y+8=24\\\\\Rightarrow\ 4y=24-8\\\\\Rightarrow\ 4y=16\\\\\Rightarrow\ y=\frac{16}{4}\\\\\Rightarrow\ y=4[/tex]

Therefore, the value of x =5 and the value of y =4.