document.write( "Question 1047794: Solve system of equation by elimination:
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document.write( "5b = 20 + 2a
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document.write( "2a + 4b = 7
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Algebra.Com's Answer #663319 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 5b = 20 + 2a --> 2a - 5b = -20 \n" ); document.write( "2a + 4b = 7 \n" ); document.write( "------------- \n" ); document.write( "2a - 5b = -20 \n" ); document.write( "2a + 4b = 7 \n" ); document.write( "--------------------- Subtract \n" ); document.write( " \n" ); document.write( " |