devaughnnorthcu1565
12.01.2021 •
Mathematics
ABCD is a parallelogram. If side AB = 12x - 7, side BC = 5x + 7, and side CD = 7x + 18, find the value of x.
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Ответ:
5
Step-by-step explanation:
because it's a parallelogram , ab and nd have to be equal. so 12x-7 has to be = 7x+18 . so 5x=25 and so x=5
Ответ:
67
Step-by-step explanation: