raeginwalker raeginwalker
  • 19-12-2019
  • Mathematics
contestada

Solve using elimination.
8x – 6y = -6
2x – 4y = -14

Respuesta :

hamilton1234
hamilton1234 hamilton1234
  • 19-12-2019
i’m not sure if you want the answer or how to do i’ll just give you both.
multiply the bottom by -4. then it should look like:
8x-6y=-6
-8x+16y=56
then cancel out the x’s and add/subtract the others, giving you: -2y=50. then divide 50 by -2 giving you: y=-25. then find x. plug in y to one of the equations. i usually do the one that hasn’t been messed with. 8x-6(25)=-6. then solve it like a normal two-step equation.
so the answer is: (18,-25)
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