bernadetteindre6650
29.11.2021 •
Mathematics
Quadrilateral RSTU is a parallelogram with diagonals that intersect at point P.
RP = 8x
ТР — 3х + 15
What is the value of x?
X=
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Ответ:
x = 8
Step-by-step explanation:
EF/EC = EG/ED
21/8x-1 = 17/6x+3
cross-multiply:
21(6x+3) = 17(8x-1)
126x + 63 = 136x-17
-10x = -80
x = 8