10×|х|-2×|х|-9=2×|х|+7
8×|х|-9=2×|х|+7
8×|х|-2х|х|=7+9
6×|х|=16
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10×|х|-2×|х|-9=2×|х|+7
8×|х|-9=2×|х|+7
8×|х|-2х|х|=7+9
6×|х|=16