aiden4064
aiden4064 aiden4064
  • 29-10-2020
  • Mathematics
contestada

solve the system by Elimination x+8y=0 -4x-10y=22

Respuesta :

joshlind3
joshlind3 joshlind3
  • 29-10-2020

Answer:

y = 1, x = -8

Step-by-step explanation:

[tex]x + 8y = 0\\-4x - 10y = 22[/tex]

we can multiply the top equation by 4 and cancel out the x's

[tex]4x + 32y = 0\\-4x - 10y = 22\\22y = 22\\y = 1[/tex]

[tex]x + 8(1) = 0\\x = -8\\-4(-8) - 10(1) \\32 - 10 = 22\\[/tex]

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