Angelallheart36 Angelallheart36

21-08-2014
Mathematics

contestada

How do you solve the system of equations for y=2x-4
y=4x-10

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Аноним Аноним

24-08-2014

[tex]\left\{\begin{array}{ccc}y=2x-4\\y=4x-10\end{array}\right\\\\subtitute:\\\\4x-10=2x-4\ \ \ \ \ |add\ 10\ to\ both\ sides\\4x=2x+6\ \ \ \ \ \ |subtract\ 2x\ from\ both\ sides\\2x=6\ \ \ \ \ \ |divide\ both\ sides\ by\ 2\\\boxed{x=3}\\\\y=2(3)-4\\y=6-4\\\boxed{y=2}[/tex]

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