KyoKyoKitty
KyoKyoKitty KyoKyoKitty
  • 25-09-2018
  • Mathematics
contestada

Solve the following system of equations algebraically
3x-y=0
5x+2y=22

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tramserran
tramserran tramserran
  • 25-09-2018

3x  -  y  = 0     ⇒   2(3x  -  y  = 0 )   ⇒   6x - 2y = 0

5x + 2y = 22  ⇒   1(5x + 2y = 22)   ⇒   5x + 2y = 22

                                                              11x         = 22

                                                                x          = 2

3x  -  y  = 0   ⇒   3(2) - y = 0   ⇒   6 - y = 0   ⇒   6 = y

Answer: x=2, y=6

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