Respuesta :

Answer:

a = 7

Step-by-step explanation:

a - 17 = -10

Add 17 to each side

a - 17+17 = -10+17

a = 7

Answer:

a = 7

Step-by-step explanation:

  1. Add 17 to each side, so it cancels out the -17. It should now looks like this: a = 7

I hope this helps!