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MCQ
Solve: |3x + 1| = 7
Unit-5 Linear Equations and Inequalities
A x = 2 or x = -8/3
B x = 2 only
C x = 8/3 or x = -2
D no solution
Explanation

3x + 1 = 7 gives x = 2, and 3x + 1 = -7 gives x = -8/3.

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