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Masteriza [31]
3 years ago
13

DOES ANYONE UNDERTAND THIS? IF SO PLEASE HELP

Mathematics
1 answer:
Nana76 [90]3 years ago
8 0
The sides must be equal otherwise BC and AD wouldn't be parallel.  So
12x-6 = 2x+7 
10x = 13
x = 13/10 = 1.3

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