Respuesta :

Answer:

Step-by-step explanation:

We can isolate x:

2s - 9 + 9 = 1 + 9

2s = 10

Dividing both sides by 2:

2s/2 = 10/2

s = 5

Solution: 5

2s - 9 = 1
Add 9 to both sides
2s = 10
Divide by 2 on both sides
s = 5
Q&A Education