document.write( "Question 224361: Solve the system by using the substitution method
\n" ); document.write( "x=1/4y-5/4
\n" ); document.write( "y=2/5x+14/5\r
\n" ); document.write( "\n" ); document.write( "(x,y)=( , )
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Algebra.Com's Answer #167687 by checkley77(12844)\"\" \"About 
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x=y/4-5/4
\n" ); document.write( "y=2/5x+14/5\r
\n" ); document.write( "\n" ); document.write( "y=2/5(y/4-5/4)+14/5
\n" ); document.write( "y=2/5(y/4)+2/5(-5/4)+14/5
\n" ); document.write( "y=2y/20-10/20+14/5
\n" ); document.write( "y=2y/20-10/20+4*14/20
\n" ); document.write( "y=(2y-10+56)/20
\n" ); document.write( "y=(2y+46)/20
\n" ); document.write( "20y=2y+46
\n" ); document.write( "20y-2y=46
\n" ); document.write( "18y=46
\n" ); document.write( "y=46/18
\n" ); document.write( "y=23/9 ans.
\n" ); document.write( "x=(23/9)*1/4-5/4
\n" ); document.write( "x=23/36-5/4
\n" ); document.write( "x=23/36-(5*9)/36
\n" ); document.write( "x=23/36-45/36
\n" ); document.write( "x=-22/36
\n" ); document.write( "x=-11/18
\n" ); document.write( "
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