anonymous
  • anonymous
SWEET MOTHER OF JESUS PLEASE HELP ME.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
What is the value of the x variable in the solution to the following system of equations? 3x + 2y = 8 2x + 3y = 2 4 –2 x can be any number as there are infinitely many solutions to this system. There is no x value as there is no solution to this system.
Callisto
  • Callisto
Multiply the first equation by 3, what do you get?
anonymous
  • anonymous
6?

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Callisto
  • Callisto
No? Multiply both sides of the first equation by 3: 3 (3x + 2y) = 3 (8) ^Simplify this
anonymous
  • anonymous
ohhh right
anonymous
  • anonymous
hmmm....4?
Callisto
  • Callisto
How do you get 4 from doing the multiplication?
anonymous
  • anonymous
i was guessing the answer
Callisto
  • Callisto
Perhaps we can solve it together, rather than just guessing it?
anonymous
  • anonymous
okay we can try but i dont get this at all
Callisto
  • Callisto
Let see how it goes :) First, multiply both sides of the first equation by 3, we get 3 (3x + 2y) = 3 (8) 9x + 6y = 24 Do you get this part so far?
anonymous
  • anonymous
yes
Callisto
  • Callisto
Just call that equation (9x + 6y = 24) as (a) Now, we multiply the second equation 2x + 3y = 2 by 2, what do you get?
anonymous
  • anonymous
wait what's y?
Callisto
  • Callisto
We will calculate it if you want. But in this case, we are going to solve the system of equations by elimination. And the variable we are going to eliminate is y.
anonymous
  • anonymous
i think i need a bit more of a push
Callisto
  • Callisto
Hmm.. What do you mean?
anonymous
  • anonymous
towards getting the answer, i dont quite understand as well as i would like to
Callisto
  • Callisto
Actually, we'll get the answer quite soon... A few more steps to go :| What do you get when you multiply the second equation 2x + 3y = 2 by 2?
anonymous
  • anonymous
10? :/
Callisto
  • Callisto
Still guessing the answer?
anonymous
  • anonymous
no im just not sure
Callisto
  • Callisto
10 for the answer or is that what you get when you do the multiplication?

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