Question

| |x-7|-1|<=4. then x belongs to ?( pls anyone give proper sol.)​

Answer 1

Step-by-step explanation:

| |x-7|-1| = 4

|x-7|-1 = ± 4

|x-7|-1 = + 4 | |x-7|-1 = - 4

|x-7| = 5 | |x-7| = -3

x-7 = ± 5 | x-7 = ± 3

x-7 = 5 | x-7 = -5 | x-7 = 3 | x-7 = -3

x = 12 | x = 2 | x = 10 | x = 4

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