8 grade math

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Can somebody please help me I don't understand this problem.?

Determine whether each ordered pair is solution of y=x+3.

1. (2, 9) 2. (5, 23)

can you please explain this to me step by step till you get the answer .thank you so much.

  • 8 grade math -

    Substitute the numbers in each ordered pair to x and y, respectively. If the equation makes sense, the it is a solution.

    1. (2,9)

    9 = 2 + 3 is not correct, so (2,9) is not a solution.

  • 8 grade math -

    *I meant to say then.

  • 8 grade math -

    it could be 5!

  • 8 grade math -

    The area of a square mirror is 256 in squared. A rectangle mirror has a width the same as the square mirror width. Its length is 2 in longer than its width. What is the area of the rectangle mirror?

  • 8 grade math -

    PROBLEM:A BALL WAS DROPS 27 INCHES AFTER THE FIRST SECOND AND THIRD BOUNCE THE HEIGHTS WERE 18 12 AND 8 hOW MANY DID IT TAKE TO GET TO 3 INCHES

  • 8 grade math -

    Here I know!
    X I Y
    0 I
    0
    wHAT YO HAVE TO DO IS SUBSTITUTE YOUR X SIDE FOR 0 AND MULTIPLY IT BY YOUR Y.

  • 8 grade math -

    DO THE SAME FOR THE OTHER SIDE

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