Respuesta :

Answer:

s=19

Step-by-step explanation:

18s-17s+1=20

s+1=20

s=20-1

s=19

Answer:

19 :)

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

18s−17s+1=20

18s+−17s+1=20

(18s+−17s)+(1)=20(Combine Like Terms)

s+1=20

s+1=20

Step 2: Subtract 1 from both sides.

s+1−1=20−1

s=19