Respuesta :

Answer:

1/2a-19=-13

Step-by-step explanation:

One half of a number represents the phrase "1/2a" (in this case the variable/number is 'a'". Then because it says "nineteen less than", that means you subtract 19 from one half of the variable.

Answer:

1/2x - 19 = -13

Step-by-step explanation:

1/2x - 9 = -13

Hope this helps!!!