Modulus Question #1

The following is a question that involves modulus, I think something similar came out in ACJC Prelim Paper to have students consider the range of x before attempting the inequality.

For this question, students need to consider the ranges of x and y and attempt this question.

$|x|+x+y=8$
$x+|x|-y=14$
$x+y=?$

Ans: 2

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Modulus Question #1

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