Answer:
x = 7
AB = 39
BC = 13
AC = 52
Explanation:
Knowing:
AC = 10x - 18
AB = 6x - 3
BC = 2x - 1
We can put it into a equation:
6x - 3 + 2x - 1 = 10x - 18
8x - 4 = 10x - 18
8x = 10x -14
-2x = -14
x = 7
Since x = 7, then we can substitute it into to get the rest.
AB = 6x - 3
AB = 6(7)-3
AB = 39
BC = 2x -1
BC = 2(7)-1
BC = 13
Which also means
AC = 13 + 39
AC = 52
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