document.write( "Question 812589: Please help me solve this 2 step equation. a/7 + 1/4 = 5/6 \n" ); document.write( "
Algebra.Com's Answer #489228 by erica65404(394)\"\" \"About 
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\"a%2F7+%2B+1%2F4+=+5%2F6\"
\n" ); document.write( "make all the denominators the same
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\n" ); document.write( "\"12a%2F84+%2B+21%2F84+=+70%2F84\"
\n" ); document.write( "since all the denominators are the same, multiply the whole equation by that denominator to get rid of it
\n" ); document.write( "\"84%2812a%2F84+%2B+21%2F84%29+=+84%2870%2F84%29\"
\n" ); document.write( "\"12a+%2B+21+=+84\"
\n" ); document.write( "\"12a+%2B+21+-+21+=+84+-+21\"
\n" ); document.write( "\"12a=63\"
\n" ); document.write( "\"%2812a%29%2F12=63%2F12%0D%0A%7B%7B%7Ba=63%2F12\"
\n" ); document.write( "\"a=21%2F4\"
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