Respuesta :

alaysia22
the answer is 90.Remember that whenever you see two - signs right next to eachother it turns into an addition sign
VenusRetrograde
Remember that subtracting a negative number is the same as adding a positive number.(two negatives equals a positive) For example:

35-(-55)=35+55

They are both equivalent. Now we can solve..

35+55=90

Answer=90


Otras preguntas