BD = BC + CD
7x -10 = 4x -29 +5x -9
7x -10 = 9x -38
28 = 2x
14 = x
BC = 4(14) -29 = 56 -29 = 27
CD = 5(14) -9 = 70 -9 = 61
BD = 7(14) -10 = 98 -10 = 88
Alternatively BD = BC + CD = 27 + 61 = 88.
x = 14; BC = 27; CD = 61; BD = 88.
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