Respuesta :

Answer:

-7-a

Step-by-step explanation:

2a-3a +5-12

-a - 7

or -7-a

Answer:

-a - 7

Step-by-step explanation:

Add like terms to simplify the expression:

2a + 5 - 3a - 12

Add together 2a and -3a:

2a - 3a = -a

Add together 5 and -12:

5 - 12 = -7

Add these together:

-a - 7

So, the simplified expression is -a - 7