document.write( "Question 420835: Graph the following equations and solve the system.
\n" ); document.write( " y=-1
\n" ); document.write( "3x-y=4
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Algebra.Com's Answer #293945 by dnanos(83)\"\" \"About 
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\"graph%28600%2C600%2C-10%2C10%2C-10%2C10%2Cy=-1%2C3x-4%29\"
\n" ); document.write( "From the following graph we get that the pair (x,y)=(1,-1) is the solution.
\n" ); document.write( "(Exactly we plug y=-1 in the second equation and final result is x=1...)
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