document.write( "Question 1030611: Solve the system of equations by using substitution. Express the answer as an ordered pair:
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\n" ); document.write( "Solve the system of equations by using substitution. Express the answer as an ordered pair:
\n" ); document.write( "x-5y=2
\n" ); document.write( "9x+8=15y
\n" ); document.write( "

x - 5y = 2______x = 2 + 5y -------- eq (i)
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document.write( "9x + 8 = 15y -------- eq (ii)
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document.write( "9(2 + 5y) + 8 = 15y --------- Substituting 2 + 5y for x in eq (ii)
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document.write( "18 + 45y + 8= 15y
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document.write( "45y - 15y = - 26
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document.write( "30y = - 26
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document.write( " ------- Substituting  for y in eq (i)
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