Mathematics

Question

What equation is equivalent to 9x - 3 = 729? 9x - 3 = 981 9x - 3 = 93 3x - 3 = 36 32x - 3 = 36

2 Answer

  • Answer:

    Option 2nd is correct

    [tex]9^x-3 =9^3[/tex]

    Step-by-step explanation:

    Given the equation:

    [tex]9^x-3 = 729[/tex]

    We can write 729 as

    [tex]729 = 9 \cdot 9 \cdot 9 = 9^3[/tex]

    then;

    [tex]9^x-3 =9^3[/tex]

    Therefore, the equation which is equivalent to [tex]9^x-3 = 729[/tex] is, [tex]9^x-3 =9^3[/tex]

  • The equation which is equivalent to 9^x -3 = 729 is; 9^x - 3 = 9^3

    Equivalent equations

    According to the question;

    • The equation given is; 9^x -3 = 729.

    By the law of indices;

    • The integer 729 can be rewritten to take the form of 9 with an exponent as follows;
    • 729 = 9³.

    Hence, we can conclude that; 9^x - 3 = 9³

    Read more on equivalent equations;

    https://brainly.com/question/2972832

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