Question

3x +5 - x=-17 ( solve the following equation)
solve = (3x-1x ) +5=-17
2x+5 =-17
2x =-17 -5
2x=-22
x= -22/2
x =-11​

Answer 1

Step-by-step explanation:

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The exchange of gases occur in the.

a) Trachea b) Alveolus c) Bronchus d) Nose

2. Which side of the heart has oxygenated blood

a) Left b) Right c) Upper d) Lower

3. A person having blood group is called universal donor.

a) A b) B c) AB d) O

4. The average breathing rate of a normal adult is times per minutos

a) 9-12 b) 15-18 c) 21-24 d) 30-33

5. A Sphygmomanometer measures.

a) Pulse rate b) Heartbeat c) Blood pressure d) Brain activity