<u>(-2)+2=0, (-0.5)+0.5=0, and (-5)+5=0</u>
All those equations answers are 0, please mark me brainiest, and hope I helped!
The 3 angles must add up to 360 degrees
Only 1 and 4 fit the bill.
Remember that X will always be one up or down depending on if there is a - or not (if it is just an x) and one over! Hope this helps