Answer:
10-7=3 so the difference is -3
x is 70°
Step-by-step explanation:
80 + 55= 135
180-135 = 45
45 +45 =90
180-90=90
80+80= 160
180-160= 20
20 +90= 110
180-110 = 70
x is 70
-14,-12,-6,0,11,12 thats the order. hope this helps