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What's the solution for x-5y=1 and 2x-7y=8

Sagot :

Robjackperidn
we start out with:
x-5y=1
 +5y   +5y
x=5y+1

Now lets fine y:
2x-7y=8
/2x      /2x
-7y=4x
/-7  /-7
y=-4x
      7
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