document.write( "Question 89734: Solve the following systems by substitution. Example 2 (p 712) and Example 4 (p 713) are the key models to go by for solving these exercises….\r
\n" ); document.write( "\n" ); document.write( "16) 5x – 2y = -5
\n" ); document.write( " y - 5x = 3\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #65170 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
5x-2y=-5
\n" ); document.write( "-5x+y=3
\n" ); document.write( "-----------------------
\n" ); document.write( "-y=-2
\n" ); document.write( "y=2 answer.
\n" ); document.write( "5x-2*2=-5
\n" ); document.write( "5x-4=-5
\n" ); document.write( "5x=-5+4
\n" ); document.write( "5x=-1
\n" ); document.write( "x=-1/5 answer.
\n" ); document.write( "proof
\n" ); document.write( "-5*-1/5+2=3
\n" ); document.write( "5/5+2=3
\n" ); document.write( "1+2=3
\n" ); document.write( "3=3
\n" ); document.write( "
\n" );