Troyb0y
Troyb0y Troyb0y
  • 03-07-2017
  • Mathematics
contestada

-x + 2y= -1
x= -15
value of y?

Respuesta :

cher
cher cher
  • 03-07-2017
Simply plug in -15 for x in our given equation.

-x + 2y = -1

-(-15) + 2y = -1

Simplify.

15 + 2y = -1

Subtract 15 from both sides.

2y = -1 - 15

Simplify.

2y = -16

Divide both sides by 2

Y = -8

Hope I helped :)
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