bewellplus.gsu.edu
Lamarda62 Lamarda62
  • 09-04-2015
  • Mathematics
Answered

Y=-5x and 21x-7y=28 using substation method

Verified Answer :

parkerandrew92
parkerandrew92 parkerandrew92
  • 09-04-2015

21x - 7(-5x) = 28

21x + 35x = 28

56x=28
56 = 56
x = .5 or 1/2

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