anonymous
  • anonymous
Which value of c from the set {4, 5, 6, 7, 8} makes this equation true? 2c + 9 = 25
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
two options. 1. solve the equation for c. 2. plug in each value of the set for c. The one that gives you 25 for the left side is the answer.
anonymous
  • anonymous
how do you want to approach this?
anonymous
  • anonymous
4 5 6 7 8 Are the choices.

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anonymous
  • anonymous
yeah, I got that from above. how do you want to go about solving the problem?
anonymous
  • anonymous
I dont know.
anonymous
  • anonymous
I gave you two different approaches above...
anonymous
  • anonymous
Ohh.
anonymous
  • anonymous
The second one?
anonymous
  • anonymous
ok. The first number is 4, so start by replacing c with 4 in the equation. 2c + 9 = 25 2*4 + 9 = 25 8 +9 = 25 17 = 25 → this is false, so 4 isn't the answer.
anonymous
  • anonymous
Do this for each number in the set
anonymous
  • anonymous
Okay.
anonymous
  • anonymous
did you get it?

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