document.write( "Question 1083847: Solve using cross multiplication:1.x-y+2=0,7x+9y=130 2.4x-y=5,5y-4x=7\r
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Algebra.Com's Answer #697912 by ikleyn(52915) You can put this solution on YOUR website! . \n" ); document.write( "For your info:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For solving systems of linear equations, there are Substitution method, Elimination method and Determinant method /(or the Cramer's rule).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "But there is NO cross-multiplication method.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |