The answer to the question is-4x+524z+10
10-64=-54
4--54=-50
20/-50=-2/5
=-0.4
The distance between C and A/D is 1,2 km. The distance between B and A/C is 0,6. It's in this order: A 0,6 km B 0,6 km C 1,2km D so the distance between B and D is 0,6 + 1,2 = 1,8 km
Pretty sure you gotta add 8x to 2x