4 years ago

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

1 answer:

6 0

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

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