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william40033 william40033
  • 27-03-2015
  • Mathematics
Answered

Please help me solve the system of equations y=2x-10 and x-y=7

Verified Answer :

Panoyin
Panoyin Panoyin
  • 03-04-2015

y = 2x - 10
x - y = 7
x - (2x - 10) = 7
-x - 10 = 7
    + 10  + 10
       -x = 17
        x = -17
  -17 + y = 7
+ 17      + 17
           y = 24
(x, y) = (-17, 24)

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