Answer to Question #110889 in Algebra for Jaimee Richardson

Question #110889

Y=-2x+3
8x+4y=12

1.(1,1)
2.(0,0)
3.infinity
4.no solution

Expert's answer

8x+4y=12 => 4y = 12-8x => y= 3-2x

"\\begin{cases}\n y=-2x+3\\\\\n y=3-2x \n\\end{cases}"

y₁=y₂

-2x₁+3 = 3-2x₂

-2x₁ = -2x₂

x₁ = x₂

valid for any x => answer 3. infinity

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