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3.1E: Exercises

  • Page ID
    110469

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    Practice Makes Perfect

    Solve Equations Using the General Strategy

    In the following exercises, solve each linear equation.

    1. \(15(y−9)=−60\)
    2. \(−(w−12)=30\)
    3. \(51+5(4−q)=56\)
    4. \(3(10−2x)+54=0\)
    5. \(\frac{2}{3}(9c−3)=22\)
    6. \(\frac{1}{5}(15c+10)=c+7\)
    7. \(3(4n−1)−2=8n+3\)
    8. \(12+2(5−3y)=−9(y−1)−2\)
    9. \(5+6(3s−5)=−3+2(8s−1)\)
    10. \(4(p−4)−(p+7)=5(p−3)\)
    Answer
    1. \(y=5\)
    2. \(w=−18\)
    3. \(q=3\)
    4. \(x=14\)
    5. \(c=4\)
    6. \(c=\frac{5}{2}\)
    7. \(n=2\)
    8. \(y=−5\)
    9. \(s=10\)
    10. \(p=−4\)
    Solve equations with Fraction or Decimal Coefficients

    In the following exercises, solve each equation with fraction coefficients.

    1. \(\frac{1}{4}x−\frac{1}{2}=−\frac{3}{4}\)
    2. \(\frac{5}{6}y−\frac{2}{3}=−\frac{3}{2}\)
    3. \(\frac{1}{2}a+\frac{3}{8}=\frac{3}{4}\)
    4. \(2=\frac{1}{3}x−\frac{1}{2}x+\frac{2}{3}x\)
    5. \(\frac{1}{3}w+\frac{5}{4}=w−\frac{1}{4}\)
    6. \(\frac{1}{3}b+\frac{1}{5}=\frac{2}{5}b−\frac{3}{5}\)
    7. \(\frac{1}{4}(p−7)=\frac{1}{3}(p+5)\)
    8. \(\frac{1}{2}(x+4)=\frac{3}{4}\)
    9. \(\dfrac{4n+8}{4}=\dfrac{n}{3}\)
    10. \(\dfrac{3x+4}{2}+1=\dfrac{5x+10}{8}\)
    Answer
    1. \(x=−1\)
    2. \(y=−1\)
    3. \(a=\frac{3}{4}\)
    4. \(x=4\)
    5. \(w=\frac{9}{4}\)
    6. \(b=12\)
    7. \(p=−41\)
    8. \(x=−\frac{5}{2}\)
    9. \(n=−3\)
    10. \(x=−2\)

    This page titled 3.1E: Exercises is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Stanislav A. Trunov and Elizabeth J. Hale.

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