Statement Versus Reason Chart In Algebra

Discussion in 'Off-Topic Chat' started by nycmathguy, Jul 17, 2022.

  1. nycmathguy

    nycmathguy

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    Use the statement versus reason chart to prove that 2x + 5 = 7.
     
    nycmathguy, Jul 17, 2022
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  2. nycmathguy

    MathLover1

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    Statements Reasons
    1. 2x + 5 = 7 Given
    2. 2x – 5 + 5 = -5 + 7 Addition of 5 to equation (1)
    3. 2x + 0 = 2 Substitution of –5 + 5 = 0 into (2)
    4. 2x = 2 Substitution of 2x + 0 = 2x into (3)
    5. 2x/2 = 2/2 Dividing equation (4) by 2
    6. x = 2/2 Substitution of 2x⁄2 = x into (5)
    7. x = 1 Substitution of 2⁄2 = 6 into (6)

    2x + 5 = 7is true if x=1
     
    MathLover1, Jul 17, 2022
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  3. nycmathguy

    nycmathguy

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    Too many steps for a linear equation.
     
    nycmathguy, Jul 17, 2022
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