document.write( "Question 550486: HHHHEEELLLPPPP.....one more please??? solve using substitution method......5x + 7y = -23 and -8x + y = 49 type an ordered pair \n" ); document.write( "
Algebra.Com's Answer #358788 by scott8148(6628)\"\" \"About 
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y = 49 + 8x\r
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\n" ); document.write( "\n" ); document.write( "substituting ___ 5x + 7(49 + 8x) = -23 ___ 5x + 343 + 56x = -23\r
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\n" ); document.write( "\n" ); document.write( "solve for x, and then substitute back to find y
\n" ); document.write( "(use any equation that has both x and y)
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