document.write( "Question 61498This question is from textbook
\n" ); document.write( ": i need big help !!!!! plez and thank you\r
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\n" ); document.write( "\n" ); document.write( " x + 3x = 17
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\n" ); document.write( " 4 5\r
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\n" ); document.write( "\n" ); document.write( " x over 4 plus 3x over 5 = 17\r
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\n" ); document.write( "\n" ); document.write( " i plez need big help !!!!\r
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\n" ); document.write( "\n" ); document.write( " Kay
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Algebra.Com's Answer #42314 by joyofmath(189)\"\" \"About 
You can put this solution on YOUR website!
\"x%2F4%2B%283x%29%2F5+=+17\".
\n" ); document.write( "Since 20 is the least common multiple of the denominators, 4 and 5, multiply everything by 20: \"20%28x%2F4%29%2B20%283x%29%2F5+=+20%2817%29\".
\n" ); document.write( "\"5x%2B12x=340\".
\n" ); document.write( "\"17x=340\". So, \"x=20\".\r
\n" ); document.write( "\n" ); document.write( "Verify by plugging x=20 into original equation:\r
\n" ); document.write( "\n" ); document.write( "\"20%2F4%2B%283%2A20%29%2F5+=+5%2B12+=+17\".
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