Question

2x-y=2
x-2y=1
determine any point of intersection

Answer 1

take the second equation and solve for \(x\) and you get \(x=1+2y\)
now take the first equation and sub this in for x

\(2\color{blue}{x}-y=2\) becomes \(2(\color{blue}{1+2y})-y=2\)
can you solve this for y?

Answer 2

@kkobor ?

Answer 3

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