Fireblast3210 Fireblast3210
  • 09-03-2019
  • Mathematics
contestada

Solve the system of equations using Elimination/Combinations

-2x-y=-4

x+2y=5

Respuesta :

anonymous9145
anonymous9145 anonymous9145
  • 09-03-2019
x+2y=5
x = -2y+5

-2(-2y+5) - y = -4
4y - 10 -y = -4
3y - 10 = -4
3y = 6
y = 2

x + 2(2) = 5
x + 4 = 5
x= 1

Therefore, the coordinates are (1,2).
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