gigi625 gigi625
  • 14-11-2016
  • Mathematics
contestada

y=-2x-9
y= 2x-1 how to find x and y

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fadezz3630
fadezz3630 fadezz3630
  • 14-11-2016
use the second equation to plug it in to the first one and use PEMDAS to solve so then it would look like this 

2x-1=2x-9
   +9     +9
2x+8=2x
2x      2x

8=x
 
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