Algebra

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The formula for converting Celsius temperatures to Fahrenheit temperatures is
F= 9/5C + 32

where F is the temperature in degrees Fahrenheit and C is the temperature in degrees Celsius. Which formula could be used to convert Fahrenheit temperatures to Celsius temperatures?
Choices are:
C= 5/9F+32
C= 5/9(F-32)
C= 5/9(F+32)
C= 5/9F - 32

My answer C=5/9(F+32)

Am I correct?

  • Algebra -

    thats wrong the answer is C= 5/9(F - 32)

  • Algebra -

    9C/5 + 32 = F,
    Multiply both sides by 5:
    9C + 5*32 = 5F,
    9C = 5F - 5*32,
    Factor out 5:
    9C = 5(F-32),

    C = 5/9(F-32).

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