document.write( "Question 401645: Please I really need help with this equation \r
\n" ); document.write( "\n" ); document.write( "2u-9=7u+15-u-20\r
\n" ); document.write( "\n" ); document.write( "Could you show me step by step how to solve it
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Algebra.Com's Answer #284262 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
Combine like terms on both sides to get\r
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\n" ); document.write( "\n" ); document.write( "2u - 9 = (7u - u) + (15 - 20) = 6u - 5\r
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\n" ); document.write( "\n" ); document.write( "Add -2u to both sides to get\r
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\n" ); document.write( "\n" ); document.write( "-9 = 4u - 5\r
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\n" ); document.write( "\n" ); document.write( "Add 5 to both sides to get\r
\n" ); document.write( "\n" ); document.write( "-4 = 4u --> u = -1.
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