solve the formula 9/5c + 32=f for c and use the resulting formula to find the tempeture in degrees celsius when the fahrenheit t
empeture is 77
2 answers:
9c/5+32=f
(9c+160)/5=f
9c+160=5f
9c=5f-160
c=(5f-160)/9
c(77)=(5(77)-160)/9
c(77)=25°
9/5c + 32 = f
9/5c = f - 32
c = 5/9(f - 32) <==
when f = 77
c = 5/9(77 - 32)
c = 5/9(45)
c = 225/9
c = 25 <==
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