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Ocibethchie Ocibethchie
  • 21-03-2017
  • Mathematics
Answered



5x - 2y = 3

-5x + 4y = 9

Solve the system of equations.

Verified Answer :

rarrininger
rarrininger rarrininger
  • 21-03-2017

5x - 2y = 3
-5x + 4y = 9
_________
2y =12
2y/2= 12/2
y = 6

5x - 2(6) = 3
5x -12 = 3
5x -12+12 = 3+12
5x = 15
5x/5 = 15/5
x = 3

Check
-5(3) + 4(6) = 9
-15+24=9
9=9

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