hellokitty89596 hellokitty89596

11-05-2015
Mathematics

Answered

Solve the substitution 4x-3y=5
Y=2x-3

Answer :

Panoyin Panoyin

11-05-2015

4x - 3y = 5
y = 2x - 3

   4x - 3(2x - 3) = 5
4x - 3(2x) - 3(-3) = 5
      4x - 6x + 9 = 5
      -2x + 9 = 5
       - 9 - 9
      -2x = -4
   -2    -2
   x = 2
   y = 2x - 3
   y = 2(2) - 3
   y = 4 - 3
   y = 1
   (x, y) = (2, 1)

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