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Linear Equations in One Variable

SAT Math· difficulty 3/5

If 5(2x−3)=3(x+4)+15(2x - 3) = 3(x + 4) + 1, what is the value of xx?

  • A

    287\frac{28}{7}

  • B

    2813\frac{28}{13}

  • C

    −4-4

  • D

    4

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Explanation

10x−15=3x+1310x - 15 = 3x + 13, so 7x=287x = 28 and x=4x = 4.

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