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If BC = 4x – 5 and CD = 2x + 7, find x.
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If BC = 4x – 5 and CD = 2x + 7, find x.

User Metheny
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x=6, just subtract the 2x from both sides and you would have 2x - 5 = 7

then add the 5 to both sides which equals 2x = 12

then finally divide by 2 and get x = 6
User Quaabaam
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