ILL GIVE BRAINLEST, Find the value of x.

Answer:
x=6, y=128
set 5x+16 = 7x+4
-2x=-12
x=6
plug x into equation= 46
180-46=134
y+6=134
y=128
Answer:
x= 45 Degrees
Step-by-step explanation:
Total Triangle= 180 Degrees
Subtract Right Angle: 180-90= 90 Degrees
Divide by 2 because it is an isosceles triangle: 90/2= 45 Degrees