document.write( "Question 189018: dear teacher i'm trying o elp my daughter with her algebra lessons,could you pls show me how to find this?
\n" ); document.write( "10x + 9 = 5x +29
\n" ); document.write( "10x -13 = 7x +2
\n" ); document.write( "Thank you for yr help.Sincerely yrs
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Algebra.Com's Answer #141778 by jojo14344(1513)\"\" \"About 
You can put this solution on YOUR website!

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\n" ); document.write( "Solving for \"x\"\r
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\n" ); document.write( "\n" ); document.write( "First, we combine similar terms. Put to the left those with variable (With x), and to the right those constants.\r
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\n" ); document.write( "\n" ); document.write( "*Remember to change \"signs\" when you move.\r
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\n" ); document.write( "\n" ); document.write( "Given: 10x + 9 = 5x +29
\n" ); document.write( "\"10x-5x=29-9\"
\n" ); document.write( "Perform operations indicated:
\n" ); document.write( "\"5x=20\"
\n" ); document.write( "Divide both terms by \"5\" to isolate x:
\n" ); document.write( "\"cross%285%29x%2Fcross%285%29=cross%2820%294%2Fcross%285%29\"
\n" ); document.write( "x=4, Answer\r
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\n" ); document.write( "\n" ); document.write( "To check, substitute x to the given eqn:
\n" ); document.write( "\"10%284%29%2B9=5%284%29%2B29\"
\n" ); document.write( "\"40%2B9=20%2B29\"
\n" ); document.write( "\"49=49\", good\r
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\n" ); document.write( "\n" ); document.write( "Next, 10x -13 = 7x +2
\n" ); document.write( "Combine similar terms:
\n" ); document.write( "\"10x-7x=2%2B13\"
\n" ); document.write( "Perform operations indicated (Add, Substract, etc):
\n" ); document.write( "\"3x=15\"
\n" ); document.write( "Divide 3 both terms to isolate x:
\n" ); document.write( "\"cross%283%29x%2Fcross%283%29=cross%2815%295%2Fcross%283%29\"
\n" ); document.write( "x=5\r
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\n" ); document.write( "\n" ); document.write( "Check by substituting to the given eqn:
\n" ); document.write( "\"10%285%29-13=7%285%29%2B2\"
\n" ); document.write( "\"50-13=35%2B2\"
\n" ); document.write( "\"37=37\", good\r
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\n" ); document.write( "\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo
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\r
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