farhiyaomar132 farhiyaomar132
  • 12-08-2015
  • Mathematics
contestada

Use addition or substitution to find the value of y for this set of equations. 2x - 3y = -15
x = 4y what is the value of y

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JaySL JaySL
  • 12-08-2015
Substitute 4y for x.

2(4y)-3y=-15

8y-3y=-15

5y=-15

Dividing by 5, we see that y=-3.
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