Geometry
posted by Emily .
Find the value of the variable and VW if V is between U and W.
UV=2,VW= 3x, UW=29
UV = r, VW = 6r, UW =42
UV = 4p  3, VW = 5p, UW =15
UV = 3c+29, VW = 2c4, UW = 4c
Need a site to explain how to do these.
Teacher not clear on explaining.

UV + VW = UW
8) UV + VW = UW
2 +3x = 29
3x = 27
x = 3
VW = 3x = 9
9) UV + VW = UW
r + 6r = 42
7r = 42
r = 6
VW = 6r = 36
10) UV + VW = UW
4p3 + 5p = 15
9p = 18
p = 2
VW = 5p = 10
11) UV + VW = UW
3c+29 + 2c4 = 4c
c  25 = 4c
5c = 25
c = 5
VW = 2c4 = 104 = 16
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