Respuesta :
well
first one doesn't need that property
2nd one needs subtraction property of equality
third one can use it
fourth one needs addition property of equality
3rd one is answer
b/-2=18 is answer
first one doesn't need that property
2nd one needs subtraction property of equality
third one can use it
fourth one needs addition property of equality
3rd one is answer
b/-2=18 is answer