biancaalonso1011
biancaalonso1011 biancaalonso1011
  • 21-02-2019
  • Mathematics
contestada

Write an equation for each of the following problems and then solve. A number increased by 9 is -21

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aIucard
aIucard aIucard
  • 21-02-2019

Let n be this number

n + 9 = - 21

Rearrange to solve for n:

n = - 30

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