The problem ask "to find the values of x and y that ensure quadriliteral is parallelogram.
First one looks like this:In a bigger version. The left parallel side is said to have a value of 4. The site oposite to that one is 4x-y. The top side is 3x+17 and the bottom one is 2y. I don't understand how to create an eduation and solve it. I knowt the sides are parallel and they are suppose to be equal but I can't create an equation. How am I suppose to solve this?
First one looks like this:
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