anonymous
  • anonymous
Four expressions are shown below: 21x + 6 3(7x + 2) 18x + 9 3(6x + 3) Which two expressions are equivalent to 3(6x + 2 + x)? A and D C and D A and B B and C
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
I think its A and B but C is equivalent too right?
anonymous
  • anonymous
anonymous
  • anonymous
but I WANT to give you another medal :)

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Jadeishere
  • Jadeishere
xD Thanks, but you don't need to, I'm just here to help. Let me work through this and I'll show you how, kay?
anonymous
  • anonymous
k
Jadeishere
  • Jadeishere
Okay!! 3(6x + 2 +x) 18x + 6 + 3x add the common variables 21x + 6 is the answer to 3(6x + 2 + x) so obviously, the first one is equal, so we'll move on to solving the next one 3(7x + 2) 3 * 7 = 21 21x + 6 so the first and second (A and B)
anonymous
  • anonymous
Thanks! And here is our medal you deserve it!

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