Solve the system of equations.
2x-3y=21
-6x+2y=7
part 1: explain the steps you would take to solve the system by eliminating the x-terms.
part 2: explain the steps you would take to solve the system by eliminating the y-terms.
part 3: choose either of the methods described in parts 1 or 2 to solve the system of equations. write your answer as an ordered pair. show your work.
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Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

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