Direction:evaluate the following property of integers. 1.5-(+14)= 2.15+2(4-8)= 3.7+(8+9)= 4.1-0= 5.1-1= 6.(-a)+(-b)= 7.x+y+z= 8.x-b= 9.(-b)-(-a)= 10.(b)-(-a)​