anonymous
  • anonymous
[6.02] For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? -x - 2y = -4 3x + y = 12
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Diyadiya
  • Diyadiya
-x=-4+2y Multiply both the sides by -1 to get x x=4-2y
ash2326
  • ash2326
@LoveYou*69 Did you understand it?
Diyadiya
  • Diyadiya
Now substitute it in second equation 3(4-2y) + y = 12

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anonymous
  • anonymous
Okay! Thanks! and yea ash i knew the answer i was just making sure it was right lol :)
anonymous
  • anonymous
so is the answer -2y+4

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