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    Daily ChallengeHardAlgebra

    Solve: ∣2x−5∣=9|2x - 5| = 9. What is the sum of solutions?

    Resolve: ∣2x−5∣=9|2x - 5| = 9. Qual é a soma das soluções?

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    Solution

    2x−5=92x-5=9 → x=7x=7; 2x−5=−92x-5=-9 → x=−2x=-2. Sum =7+(−2)=5= 7+(-2) = 5