document.write( "Question 607613: how do i solve 5r-s=5 and -4r+5s=17 get back to me asap plz
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Algebra.Com's Answer #382802 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! from the 1st equation ___ 5r - 5 = s\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting into the 2nd equation ___ -4r + 5(5r - 5) = 17 ___ -4r + 25r - 25 = 17 ___ 21r = 42\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for r, then substitute back to find s \n" ); document.write( " |