Linear Equations in One Variable

SAT Math· difficulty 4/5

For what value of cc does the equation 12(6x4)=3x+c\frac{1}{2}(6x - 4) = 3x + c have no solution?

  • A

    Any c2c \ne 2

  • B

    Any c2c \ne -2

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  • C

    c=2c = 2

  • D

    c=2c = -2

Explanation

3x2=3x+c3x - 2 = 3x + c simplifies to 2=c-2 = c. If c=2c = -2, infinite solutions. If c2c \ne -2, no solution.

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