Answer :

capsasha2

Answer:

r = -30

Step-by-step explanation:

  1. Combine like terms: r + 31 = 1
  2. Subtract 31 from each side, so it now looks like this: r = -30

I hope this helps!

garnicahector810

Answer:

-30

Step-by-step explanation:

because when you put -30 in the equation the sum is 1

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