shamarss shamarss
  • 25-09-2018
  • Mathematics
contestada

Solve the following system by any method.
2x – 6y = 24
–5x + 6y = –6 

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Аноним Аноним
  • 25-09-2018

Adding the 2 equtions eliminates y   ( -6y + 6y = 0) :-

-3x = 18

x = -6

Plug x = -6 into first equation:-

2(-6) - 6y = 24

-6y =  36

y = - 6

Answer x = -6, y  = -6

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