document.write( "Question 317310: find the value of a in this proportion (a+1)/4=2/3 \n" ); document.write( "
Algebra.Com's Answer #227172 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28a%2B1%29%2F4=2%2F3\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3%28a%2B1%29=2%2A4\" Cross multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"3%28a%2B1%29=8\" Multiply 2 and 4 to get 8.\r
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\n" ); document.write( "\n" ); document.write( "\"3a%2B3=8\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"3a=8-3\" Subtract \"3\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"3a=5\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"a=%285%29%2F%283%29\" Divide both sides by \"3\" to isolate \"a\".\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"a=5%2F3\"
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