YktvZ YktvZ 04-01-2021 Mathematics contestada 1st Equation 2nd Equation 3rd Equation 2+ 3 = 5 9 + (-1) = 8 11 to x = 7 3 + 2 = 5 8+1=9 5-3 = 2 1-(-8)=9 5- 2 + 3 8-9=1