Pls help complete for y=-7x +9 how do I do this

Pls help complete for y=-7x +9 how do I do this


[tex]Pls help complete for y=-7x +9 how do I do this[/tex]

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This Post Has 6 Comments

  1. You put the x in the x area and solve the problem.

    For example:

        For 0 you would do y=-7(0) + 9

        Then if you do the math you get y = 9

        Therefore, your answer is 9.

  2. -7x + 8y = 39

    when x = -9

    -7(-9) +8y = 39

    63 + 8y = 39

    8y = 39-63

    8y = -24

    Divide both sides by 8

    y = - 3

    Hope this helps.

  3. the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

    step-by-step explanation:

    [tex]Which are the possible side lengths of a triangle?[/tex]

  4. y = -3

    Step-by-step explanation:

    => -7x+8y = 39

    Putting x = -9

    => -7(-9)+8y = 39

    => 63+8y = 39

    Subtracting 63 to both sides

    => 8y = 39-63

    => 8y = -24

    Dividing both sides by 8

    => y = -3

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