Respuesta :

milyarellano2410
So first you find a which you subtract 117 from 180 which =63 then you add 81+63=144 and then you subtract 144-180=36 so 36 is the answer
swift71500

36

117-180=63

63+81= 144

144-180+36

i havent done one of these in years hope thi shelps