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

Find the value of x which ABCD must be a parallellogram? x =
asked 177k views
3 votes
Find the value of x which ABCD must be a parallellogram?

x =

Find the value of x which ABCD must be a parallellogram? x =-example-1
asked
User Gasche
by
8.2k points

2 Answers

2 votes
Hello,

Opposed sides are equal.

7x+7=18-4x
==>11x=11
==>x=1

answered
User Thomas Klemm
by
8.7k points
7 votes
7x + 7 = 18 - 4x |subtract 7 from both sides

7x = 11 - 4x |add 4x to both sides

11x = 11 |divide both sides by 11

x = 1
answered
User Spurra
by
8.7k points
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