Yea because every input has only one output
(2+2):2x4:16-10x2:2x3=x
4:2x4+16-10x1x3=x
8+16-30=x
-6=x
x=-6
This signing : signifícate division
I help the my answer can help you
(5*180)/7=900/7=128.5714285714286
The angle is approximately 129 degrees.
<span />
