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catie3 catie3
  • 06-01-2016
  • Mathematics
Answered

solve y=-3x+5 5x-4y=-3

Verified Answer :

Panoyin
Panoyin Panoyin
  • 06-01-2016

y = -3x + 5

   5x - 4(-3x + 5) = -3
5x + 4(3x) - 4(5) = -3
     5x + 12x - 20 = -3
             17x - 20 = -3
                   + 20 + 20
                     17x = 17
                      17     17
                         x = 1
y = -3x + 5
y = -3(1)  + 5
y = -3 + 5
y = 2
(x, y) = (1, 2)

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