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26 June, 22:20

What is the value of y when x equals 4 in the equation - 3x+9y=-57?

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Answers (2)
  1. 26 June, 23:37
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    -3 (4) + 9Y=-57

    12+9y=-57

    9y=-57+12

    9y=-45

    y=-5
  2. 27 June, 00:04
    0
    So what you would do is put in the 4 where ever you see an x. so it would look like - 3 (4) + 9y=-57 then you solve for y. and the answer is - 5. Make sense?
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