andreadionico74 andreadionico74
  • 08-01-2020
  • Mathematics
contestada

Solve the system of linear equations by adding or subtracting -6x+y=5 7x-y=-4

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wross438
wross438 wross438
  • 08-01-2020
adding you make it the opposite of
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rcukierkorn
rcukierkorn rcukierkorn
  • 08-01-2020
You would add these equations together to solve by elimination. It is easiest to solve first for x because y cancels right off the bat.
You should get (1,11) as your solution
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