Answer:

Step-by-step explanation:
Given
4 and 5
Required
Determine the halfway
This is calculated as:


Remove bracket


Answer:
3/7
Step-by-step explanation:
21w - 21 = -12
21w = -12 +21
21w = 9
w = 9/21
i.e w= 3/7
True the skeletal system shapes the body, like your shoulders and chest.