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SAT-MATH/U1/Linear Equations in One Variable/sat-math-alg1-001

Linear Equations in One Variable

SAT Math· difficulty 2/5

If 3x−7=143x - 7 = 143x−7=14, what is the value of xxx?

  • A

    5

  • B

    7

    check_circle
  • C

    73\frac{7}{3}37​

  • D

    21

Explanation

Add 7 to both sides: 3x=213x = 213x=21. Divide by 3: x=7x = 7x=7.

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