anonymous
  • anonymous
Help please? Evaluate Dx -4x+7y=1 25=2x+5y
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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retirEEd
  • retirEEd
What? Do you mean solve for x?
anonymous
  • anonymous
retirEEd
  • retirEEd
Thanks, it says Dx. Maybe it means solve for X in today's math terms, so that is what I will show you how to do, but I might be answering the wrong question. Is that ok?

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anonymous
  • anonymous
Yes thats fine, thank you.
retirEEd
  • retirEEd
Rewrite the bottom equation so that all of the like terms line up. Like this ax +b y = A cx + dy = B where the letters are the constants
retirEEd
  • retirEEd
Rewrite the bottom equation so that all of the like terms line up. They will look like this: (if my typing is accurate) -4x +7 y = 1 2x + 5y = 25
retirEEd
  • retirEEd
I want to eliminate a variable by adding or subtracting one equation from the other, so that variable will go to zero. These two equations won"t work as they are written, but if I multiple the bottom equation by 2 ON BOTH sides. What will the bottom equation look like? I will wait for your answer. If I get no response in 5 minutes or a idk, I will move on.

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