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Linear Equations in One Variable Flashcards

7 cards from real Bluebook SAT Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Linear Equations in One Variable flashcards as text

  1. If 3x − 7 = 14, what is the value of x?

    Answer: 7

    Add 7 to both sides: 3x = 21; divide by 3: x = 7.

  2. A store sells notebooks for $4 each. Maya buys several notebooks and pays $28 total. How many notebooks did she buy?

    Answer: 7

    4n = 28 → n = 7.

  3. Solve for x: 5(x + 2) = 35

    Answer: x = 5

    Divide both sides by 5: x + 2 = 7; subtract 2: x = 5.

  4. If 2x + 9 = 4x − 3, what is the value of x?

    Answer: x = 6

    Subtract 2x: 9 = 2x − 3; add 3: 12 = 2x; x = 6.

  5. A plumber charges a $45 flat fee plus $30 per hour. A customer's bill was $165. How many hours did the plumber work?

    Answer: 4 hours

    45 + 30h = 165 → 30h = 120 → h = 4.

  6. Solve for x: (x/4) − 3 = 2

    Answer: x = 20

    Add 3: x/4 = 5; multiply by 4: x = 20.

  7. If −2x + 5 = 13, what is the value of x?

    Answer: x = −4

    Subtract 5: −2x = 8; divide by −2: x = −4.

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Sources & references

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  1. satsuite.collegeboard.org — Score release, test delivery, time limit, test dates, fees, registration, retake policy · verified Oct 2026
  2. bluebook.collegeboard.org — Test delivery · verified Oct 2026