Solve |x| + 7 < 4.

This inequality has no solution:

l X l + 7 < 4

l x l ≥ 0 , is always positive , therefore, l x l + 7 , could never be < 7.

Solve |x| + 7 < 4.

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This inequality has no solution:

l X l + 7 < 4

l x l ≥ 0 , is always positive , therefore, l x l + 7 , could never be < 7.

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