gigi625
gigi625
14-11-2016
Mathematics
contestada
y=-2x-9
y= 2x-1 how to find x and y
Respuesta :
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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