Question

I need to find the value of x in this picture

Answer 1

x=73

Explanation:

3x-9+x+4+x=360

5x-5=360

5x=360+5

5x=365

x=365÷5

x=73

Answer 2

m<FJI=90°, so

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

Answer: x=19