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
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document.write( "16) 5x – 2y = -5
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document.write( " y - 5x = 3\r
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Algebra.Com's Answer #65170 by checkley75(3666)![]() ![]() ![]() 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( " |