ciave11
ciave11 ciave11
  • 01-10-2014
  • Mathematics
contestada

-7x-17= -9x+13
solve for x

work too please!

Respuesta :

AL2006
AL2006 AL2006
  • 01-10-2014
-7x - 17  =  -9x + 13

Add  9x  to each side:      2x - 17  =  13

Add 17  to each side:          2x  =  30

Divide each side by 2 :            x  =  15 
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