baby4skin baby4skin
  • 07-05-2019
  • Mathematics
contestada

What is the solution to this system of linear questions? X - 3y=-2 x+3y=16

Respuesta :

naomisroc naomisroc
  • 12-05-2019

Answer:

(7,3)

Step-by-step explanation:

x-3y=-2

x+3y=16

find x for equation 1

x=3y-2

substitute that x for equation 2

3y-2+3y=16

simplify

6y-2=16

add 2 to both sides

6y=18

divide by 6 on both sides

y=3

Then substitute y for any of the equations, I chose 2 because y is positive

x+3(3)=16

x+9=16

subtract 9 from both sides

x=7

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