jalania743
jalania743
24-08-2020
Mathematics
contestada
Solve the compound - 20 ≤ 2x - 20 ≤ 10
Respuesta :
mhanifa
mhanifa
24-08-2020
Answer:
0≤ x ≤ 15
Step-by-step explanation:
- 20 ≤ 2x - 20 ≤ 10
-20 + 20 ≤ 2x - 20 + 20 ≤ 10 + 20 ⇒ add 20
0 ≤ 2x ≤ 30 ⇒ divide by 2
0≤ x ≤ 15 ⇒ answer
or x = [0,15]
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