document.write( "Question 254376: Please help me solve this problem.\r
\n" ); document.write( "\n" ); document.write( "Find the values of x and y that ensure each quadrilateral is a parallelogram.\r
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\n" ); document.write( "\n" ); document.write( "Top of quadrilaterial is: 3x-4y
\n" ); document.write( "Bottom of quadrilaterial is: 18
\n" ); document.write( "Right of it is: 7
\n" ); document.write( "Left of it is: 5x+y
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Algebra.Com's Answer #186708 by richwmiller(17219)\"\" \"About 
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
\n" ); document.write( "3x-4y=18
\n" ); document.write( "5x+y=7
\n" ); document.write( "x=2 y=-3
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