Solve: 2|x + 1|+2 > 7 The answer has the form: O(- 00, A) U (B, 0) О (А, В) State your solution using interval notation like above:

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A: We have to use Chinese remainder theorem in this question.

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Q: Solve 2|3x + 7| = 16.

A: x =a ⇒  x =±a.

Q: 4. Use Cramer's Rule to solve the system 2x1+ 6x2+ 8T3 4x+15x2 + 19x3 2x1 +3r3 16 38 6.

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A: We can find the answer as below.

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