nefarious23
nefarious23 nefarious23
  • 03-04-2018
  • Mathematics
contestada

I don’t understand what it’s asking for number 2

I dont understand what its asking for number 2 class=

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backseatdog
backseatdog backseatdog
  • 03-04-2018
They're asking what number you need to multiply the first equation to get rid of the "y" variable.  Since the second equation has 10y, we want the first equation to be "-10y".  Therefore we want to MULTIPLY by -10.
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