Answer :
X >-1
Move the variable (x) from the right side to the left side. -x-10<-9 calculate the sum: -x < -9 + 10. Change the signs to make it correct: x > -1
Move the variable (x) from the right side to the left side. -x-10<-9 calculate the sum: -x < -9 + 10. Change the signs to make it correct: x > -1