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3-59.

Copy and simplify each expression below. Homework Help ✎

  1. Visualize a number line. Move your point spaces to the right, and then spaces to the left. Where is your point now located?

  1. Find the difference between and . The sign (positive or negative) of the solution is that of the larger number.

  1. Since both numbers have the same sign, add them together. The solution will have that sign (positive or negative).

  1. See part (a) or (b).