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Is r = -1 a solution to the equation 6(r – 4) = 30r

User Scz
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2 Answers

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6(-1 - 4) = 30(-1)
6(-5) = -30
-30 = -30
so -1 is a solution
User Callahad
by
8.0k points
7 votes
You can try to insert r=-1:

6(-1-4) = 30*-1
-6-24=-30
-30=-30

So, yes r = -1 is a solution to the equation.
User Mzz
by
9.6k points

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