knightofriegecp97hrf knightofriegecp97hrf
  • 24-05-2018
  • Mathematics
contestada

enter the value of n so the expression (-y+5.3) + (7.2y -9) is equivalent to 6.2y + n

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Аноним Аноним
  • 24-05-2018

[tex]( - y + 5.3) + (7.2y - 9) = (7.2y - 1y) + (5.3 - 9)[/tex]

1. The variable Y by its self is the same thing as 1Y and since the Y is negative you have to subtract 1Y from 7.2Y.
[tex]7.2y - 1.0y[/tex]
2. This equation give you the answer 6.2Y.

3.Then you want to do 5.3-9 and since 9 is bigger, you're answer is going to be negative.
[tex]5.3 - 9 = - 3.7[/tex]
[tex]4. \: n = - 3.7[/tex]
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