Respuesta :
not sure what 'open' means but
-42-10=-52
imagine that you are doing this
(-42)+(-10)=-52
neagtive moves backwards
so
42 units back+10 units back=-52 units back
seems right
true
-42-10=-52
imagine that you are doing this
(-42)+(-10)=-52
neagtive moves backwards
so
42 units back+10 units back=-52 units back
seems right
true