Respuesta :

Answer:

equation 1: x-5=-8 <=> x=-3

equation 2: x-3=-6 <=> x=-3

equation 3: x.3=-9 <=> x=-3

equation 4: -9 : x=3 <=> x=-3

=> Four equations that have –3 as the solution: x=-3

-2-1=-3 -6+3=-3 -12+9=-3