SOLUTION: Please help me solve this problem. Find the values of x and y that ensure each quadrilateral is a parallelogram. Top of quadrilaterial is: 3x-4y Bottom of quadrilaterial i

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Question 254376: Please help me solve this problem.
Find the values of x and y that ensure each quadrilateral is a parallelogram.

Top of quadrilaterial is: 3x-4y
Bottom of quadrilaterial is: 18
Right of it is: 7
Left of it is: 5x+y

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
set the top and bottoms equal and the right and left equal and solve them as a system of linear equations
3x-4y=18
5x+y=7
x=2 y=-3

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