PreAlgebra

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if y=3x+7

how do you finish the t-table for linear equation?

X y
-3 blank
blank 4

  • PreAlgebra -

    The only t table I know about is the statistical t and that doesn't fit a pre-algebra problem. So I assume you mean to substitute -3 for x and you want to know y. Then substitute 4 for y and you want to know x.
    If so,
    y = 3x+7
    y = 3(-3)+7
    y = -9+7
    y = -2
    etc. Check my work.

  • PreAlgebra -

    (5x+9y)(5x-9y)

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