sirhughes1738
sirhughes1738 sirhughes1738
  • 29-06-2022
  • Mathematics
contestada

Solve by elimination
show your work
y = 3x + 10
y = 2x - 8
​im giving brainlyest

Respuesta :

JemardBeejeez JemardBeejeez
  • 11-07-2022

Answer:

[tex]x=-18, y=-44[/tex]

Step-by-step explanation:

[tex]y=3x+10\\y=2x-8\\\\3x+10=y\\2x-8=y\\3x-y=-10\\2x-y=8\\\\-2(3x-y=-10)\\3(2x-y=8)\\\\-6x+2y=20\\6x-3y=24\\-y=44\\y=-44\\-44=3x+10\\-54=3x\\x=\frac{-54}{3} \\x=-18\\\\x=-18, y=-44\\[/tex]

CHECK

[tex]-44=3(-18)+10\\-44=-54+10\\-44=-44\\\\-44=2(-18)-8\\-44=-36-8\\-44=-44[/tex]

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