document.write( "Question 870778: How to solve 2x + 5x=31 \n" ); document.write( "
Algebra.Com's Answer #525316 by skylark_04(1)\"\" \"About 
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2x+5x=31
\n" ); document.write( "7x=31
\n" ); document.write( "divide both sides by 7
\n" ); document.write( "ans.x=31/7 or 4 3/7
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