Question 311929
4.5s+1=14.5
4.5s=13.5
s=3
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2(a+6.5)=20
2a+13=20
2a=7
a=3.5
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w/(7-4)=-2.5
w=-5.5
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-(2r-1)=2(3-2r)
-2r+1=6-6r
4r=5
r=1.25