document.write( "Question 180379: Solve for x\r
\n" ); document.write( "\n" ); document.write( "2/5 + 1/4 = x – 1/2
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Algebra.Com's Answer #135212 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Solve for x\r
\n" ); document.write( "\n" ); document.write( "\"2%2F5+%2B+1%2F4\" = \"x+-+1%2F2\"
\n" ); document.write( "Get rid of those annoying denominators, multiply equation by 20
\n" ); document.write( "20*\"2%2F5\" + 20*\"1%2F4\" = 20(x) - 20*\"1%2F2\"
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\n" ); document.write( "4(2) + 5(1) = 20x - 10(1)
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\n" ); document.write( "8 + 5 = 20x - 10
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\n" ); document.write( "13 + 10 = 20x
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\n" ); document.write( "23 = 20x
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\n" ); document.write( "x = \"23%2F20\"
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\n" ); document.write( "Check solution in original equation
\n" ); document.write( "\"2%2F5+%2B+1%2F4\" = \"23%2F20+-+1%2F2\"
\n" ); document.write( "common denominator
\n" ); document.write( "\"8%2F20+%2B+5%2F20\" = \"23%2F20+-+10%2F20\"; confirms our solution
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