Question 1141694
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what are the coordinates for  2x+y=11 y=x-1
also what are the coordinates for x+y=5 x-y=3
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You can find them yourself.
{{{system(2x+y=11,y=x-1)}}}

{{{2x+(x-1)=11}}}
{{{3x=11+1}}}
{{{3x=12}}}
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you continue this!
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