ladyjay40825
ladyjay40825 ladyjay40825
  • 26-06-2022
  • Mathematics
contestada

solve the systems of equations by substitution.
2x+y=-2
3x-y=7

Respuesta :

manasvivasannagari
manasvivasannagari manasvivasannagari
  • 26-06-2022

Answer:

To solve the system of equations by substitution:

2x+y=-2

3x-y=7

first solve for y:

2x+y=-2

y=-2x-2

Then plug ^^ equation for y in the other equation

3x-(-2x-2)=7

5x+2=7

5x=5

x=1

Then solve for y:

2(1)+y=-2

y=-4

Final answer is x = 1 and y = -4

Hope it helps!

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