what is -10+20 Share with your friends Share 1 C Vishaal answered this Answer is -10+20=10 3 View Full Answer Harshil Malhotra answered this 10 -1 S H R E E answered this - 10 is the answer of - 10 +20.. -1 Smruthi Balaji answered this 10 1 Ashutosh answered this 10 -1