document.write( "Question 704034: -2x=-y+9
\n" ); document.write( "X=4y-15 \n" ); document.write( "

Algebra.Com's Answer #433889 by sachi(548) $\"\"$ $\"About$

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-2x=-y+9...a
\n" ); document.write( "X=4y-15....b
\n" ); document.write( "substituting the value of x from b in a
\n" ); document.write( "-2(4y-15)=-y+9
\n" ); document.write( "or -8y+30=-y+9
\n" ); document.write( "or -y+8y-30-9
\n" ); document.write( "or 7y=21
\n" ); document.write( "or y=3
\n" ); document.write( "from b
\n" ); document.write( "x=4*3-15=-3
\n" ); document.write( "ans \n" ); document.write( "

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