Respuesta :
the answer is 90.Remember that whenever you see two - signs right next to eachother it turns into an addition sign
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
35-(-55)=35+55
They are both equivalent. Now we can solve..
35+55=90
Answer=90