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MathNet 2019-part-06 — 184 problems (EN–VI) Question 131

Math Olympiad Vault · MathNet 2019-part-06 — 184 problems (EN–VI)

Question 131

The expression $A = |x + 3| + |x - 5|$ is given.

a) Compute the value of the expression for $x = \sqrt{2}$.

b) Find all possible values of $x$ for which $A = 4$.