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
Add 9 to both sides
2s = 10
Divide by 2 on both sides
s = 5