Question

3-x per4 + x-5 per6 < 1

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Answer 1

Ket : (/) = per

3-x/4 + x-5/6 < 1
=>> 3(3-x) + 2(x-5) < 12
=>> 9-3x + 2x-10 < 15
=>> -1-x < 12
=>> -x < 12 + 1
=>> -x < 13
=>> x > -13

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