Find the value of x which ABCD must be a parallellogram? x =

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asked Jul 12, 2017 44.6k views

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Find the value of x which ABCD must be a parallellogram?
x =

Mathematics
high-school

Parish asked

by Parish

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$If\ ABCD\ is\ parallelogram,\ then:\\\\25x+1=7x+37\ \ \ |subtract\ 1\ from\ both\ sides\\\\25x=7x+36\ \ \ \ |subtract\ 7x\ from\ both\ sides\\\\18x=36\ \ \ \ |divide\ both\ sides\ by\ 18\\\\\boxed{x=2}$

Eaykin answered Jul 18, 2017

by Eaykin

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