Answer:
x = 7 y = 16
Step-by-step explanation:
The dashes on the lines show they are equal in length.
So y - 4 = x + 5
and 2x + 5 = x + 12
Rearrange 2x + 5 = x + 12 and solve for x:
collect like terms: 2x - x = 12 - 5
x = 7
Now substitute the found value of x into y - 4 = x + 5 and solve for y:
y - 4 = x + 5
Substitute x=7: y - 4 = 7 + 5
Add 4 to each side: y = 7 + 5 + 4
y = 16
