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Linear Equations in One Variable

SAT Math· difficulty 3/5

A right triangle has legs whose sum is 14 cm. The longer leg is 2 cm more than the shorter. What is the longer leg?

  • A

    9

  • B

    8

    check_circle
  • C

    6

  • D

    7

Explanation

a+b=14a + b = 14, a=b+2a = b + 2. So 2b+2=142b + 2 = 14 → b=6b = 6, a=8a = 8.

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