Show that each of the following systems of linear equations has infinite number of solutions and solve:
x – y + z = 3
2x + y – z = 2
– x – 2y + 2z = 1
Mixed-up sentence exercise
Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.