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Solve |2x - 5| = 7

Worked through step by step. More equations.

Answer
x=6, x=1\boxed{x = 6, \text{ } x = -1}

Substituting both values back into the original equation yields 2(6)5=7=7|2(6) - 5| = |7| = 7 and 2(1)5=7=7|2(-1) - 5| = |-7| = 7, confirming both solutions are correct.

Problem: Solve the absolute value equation 2x5=7|2x - 5| = 7.

Steps

  1. Split into two cases
    2x5=7or2x5=72x - 5 = 7 \quad \text{or} \quad 2x - 5 = -7
  2. Add 5 to both sides of both equations
    2x=12or2x=22x = 12 \quad \text{or} \quad 2x = -2
  3. Divide both sides by 2
    x=6orx=1x = 6 \quad \text{or} \quad x = -1

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