document.write( "Question 1067433: 2x-3y=-1 y=x-1 \n" ); document.write( "

Algebra.Com's Answer #682629 by Boreal(15235) $\"\"$ $\"About$

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2x-3y=-1 y=x-1
\n" ); document.write( "substitute for y
\n" ); document.write( "2x-3(x-1)=-1
\n" ); document.write( "2x-3x+3=-1
\n" ); document.write( "-x=-4
\n" ); document.write( "x=4
\n" ); document.write( "y=4-1=3
\n" ); document.write( "(4,3)
\n" ); document.write( "Try in first equation
\n" ); document.write( "2(4)-3(3)=-1 which works.
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