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Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2