Can someone explain how this is right

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle.sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin