Question

i need to find the value of x in this picture

Answer 1

m<FJI=90°, so

$x + x + 4 + 3x - 9 = 90 \\ 5x = 95 \\ x = 19$

Answer: x=19

Answer 2

Answer:

x=73

Step-by-step explanation:

     3x-9+x+4+x=360

     5x-5=360

      5x=360+5

     5x=365

       x=365÷5

     x=73